Science - Biology

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1189 titles
  1. A bacteriological study of ham souring by Charles Neil McBryde
  2. A Bilateral Division of the Parietal Bone in a Chimpanzee; with a Special Reference to the Oblique Sutures in the Parietal by Aleš Hrdlička
  3. A Check-List of the Birds of Idaho by M. Dale Arvey
  4. A Civic Biology, Presented in Problems by George W. Hunter
  5. A conchological manual by G. B. Sowerby
  6. A Critical Examination of the Position of Mr. Darwin's Work, "On the Origin of Species," in Relation to the Complete Theory of the Causes of the Phenomena of Organic Nature / Lecture VI. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  7. A Critique of the Theory of Evolution by Thomas Hunt Morgan
  8. A Defence of the Inquiry into Mesmerism & Phrenology / chiefly in relation to recent events in Lynn by William Armes
  9. A Description of the Bar-and-Frame-Hive / With an Abstract of Wildman's Complete Guide for the Management of Bees Throughout the Year by William Augustus Munn
  10. A Discourse on the Plague by Richard Mead
  11. A Dissertation on Horses / Wherein It is Demonstrated, by Matters of Fact, as Well as from the Principles of Philosophy, That Innate Qualities Do Not Exist, and That the Excellence of This Animal is Altogether Mechanical and Not in the Blood by William Osmer
  12. A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, México by William Edward Duellman
  13. A Field Study of the Kansas Ant-Eating Frog, Gastrophryne olivacea by Henry S. Fitch
  14. A first book in organic evolution by D. Kerfoot Shute
  15. A Guide for the Dissection of the Dogfish (Squalus Acanthias) by Lawrence Edmonds Griffin
  16. A Guide for the Study of Animals by Worrallo Whitney
  17. A Guide to the Study of Fishes, Volume 1 (of 2) by David Starr Jordan
  18. A Guide to the Study of Fishes, Volume 2 (of 2) by David Starr Jordan
  19. A Hand-book to the Primates, Volume 1 (of 2) by Henry O. Forbes
  20. A Hand-book to the Primates, Volume 2 (of 2) by Henry O. Forbes
  21. A Handbook of Some South Indian Grasses by K. Rangachari
  22. A handbook of systematic botany by Eugenius Warming
  23. A Historical Account of Useful Inventions and Scientific Discoveries / Being a manual of instruction and entertainment. by George Grant
  24. A history of evolution by Carroll Lane Fenton
  25. A history of land mammals in the western hemisphere by William Berryman Scott
  26. A History of North American Birds; Land Birds; Vol. 1 of 3 by Spencer Fullerton Baird
  27. A History of North American Birds; Land Birds; Vol. 2 of 3 by Spencer Fullerton Baird
  28. A History of North American Birds; Land Birds; Vol. 3 of 3 by Spencer Fullerton Baird
  29. A History of Science — Volume 1 by Henry Smith Williams
  30. A History of Science — Volume 2 by Henry Smith Williams
  31. A History of Science — Volume 4 by Henry Smith Williams
  32. A History of Science — Volume 5 by Henry Smith Williams
  33. A Journey in Brazil by Louis Agassiz
  34. A Letter on Suspended Animation / containing experiments shewing that it may be safely employed during operations on animals by Henry Hill Hickman
  35. A Manual of Philippine Birds by Richard C. McGregor
  36. A Mechanical Account of Poisons in Several Essays by Richard Mead
  37. A Mechanico-Physiological Theory of Organic Evolution by Carl Nägeli
  38. A Monograph of the Trilobites of North America: with Coloured Models of the Species by Jacob Green
  39. A Monograph on the Sub-class Cirripedia (Volume 1 of 2) / The Lepadidae; Or, Pedunculated Cirripedes by Charles Darwin
  40. A Monograph on the Sub-class Cirripedia (Volume 2 of 2) / The Balanidæ, (or Sessile Cirripedes); the Verrucidæ, etc., etc. by Charles Darwin
  41. A narrative of travels on the Amazon and Rio Negro, by Alfred Russel Wallace
  42. A Natural History for Young People: Our Animal Friends in Their Native Homes / including mammals, birds and fishes by Phebe Westcott Humphreys
  43. A New Bat (Genus Pipistrellus) from Northeastern Mexico by Rollin H. Baker
  44. A New Bat (Myotis) From Mexico by E. Raymond Hall
  45. A New Bog Lemming (Genus Synaptomys) From Nebraska by J. Knox Jones
  46. A New Chipmunk (Genus Eutamias) from the Black Hills by John A. White
  47. A New Doglike Carnivore, Genus Cynarctus, From the Clarendonian, Pliocene, of Texas by E. Raymond Hall
  48. A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma by Edwin C. Galbreath
  49. A New Long-eared Myotis (Myotis evotis) From Northeastern Mexico by Rollin H. Baker
  50. A New Name for the Mexican Red Bat by E. Raymond Hall
  51. A New Pocket Gopher (Genus Thomomys) From Wyoming and Colorado by E. Raymond Hall
  52. A New Pocket Gopher (Genus Thomomys), from Eastern Colorado by E. Raymond Hall
  53. A New Pocket Gopher (Thomomys) and A New Spiny Pocket Mouse (Liomys) from Michoacán, Mexico by E. Raymond Hall
  54. A New Pocket Mouse (Genus Perognathus) from Kansas by E. Lendell Cockrum
  55. A New Snake of the Genus Geophis From Chihuahua, Mexico by John M. Legler
  56. A New Species of Heteromyid Rodent from the Middle Oligocene of Northeast Colorado with Remarks on the Skull by Edwin C. Galbreath
  57. A New Species of Pocket Gopher (Genus Pappogeomys) From Jalisco, México by Robert J. Russell
  58. A New Species of Wood Rat (Neotoma) from Northeastern Mexico by Ticul Alvarez
  59. A New Subspecies of Ground Squirrel (Spermophilus spilosoma) from Tamaulipas, Mexico by Ticul Alvarez
  60. A New Subspecies of Lizard, Cnemidophorus sacki, from Michoacán, México by William Edward Duellman
  61. A New Subspecies of Microtus montanus from Montana and Comments on Microtus canicaudus Miller by E. Raymond Hall
  62. A New Subspecies of Pocket Mouse from Kansas by E. Raymond Hall
  63. A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México by John M. Legler
  64. A New Subspecies of the Black Myotis (Bat) from Eastern Mexico by E. Raymond Hall
  65. A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico by J. Knox Jones
  66. A New Tortoise, Genus Gopherus, From North-central Mexico by John M. Legler
  67. A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas by Edwin Perry Martin
  68. A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora by John Merle Coulter
  69. A Profitable Instruction of the Perfite Ordering of Bees / With the Maruellous Nature, Propertie, and Gouernemente of Them: and the Necessarie Vses Both of Their Honie and Waxe, Seruing Diuersly, as Well in Inward as Outward Causes: Gathered Out of the Best Writers by Thomas Hill
  70. A Quantitative Study of the Nocturnal Migration of Birds by Jr. George H. Lowery
  71. A Review of the Frogs of the Hyla bistincta Group by William Edward Duellman
  72. A Review of the Middle American Tree Frogs of the Genus Ptychohyla by William Edward Duellman
  73. A Review of the Systems of Ethics Founded on the Theory of Evolution by Cora May Williams
  74. A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) by John Wellman
  75. A Statement of Facts Tending to Establish an Estimate of the True Value and Present State of Vaccination by Sir Gilbert Blane
  76. A Statistical Inquiry Into the Nature and Treatment of Epilepsy by Alexander Hughes Bennett
  77. A study of mushrooms and mushroom spawn by Edward Henry Jacob
  78. A Synopsis of the American Bats of the Genus Pipistrellus by E. Raymond Hall
  79. A Synopsis of the Birds of North America by John James Audubon
  80. A Synopsis of the British Mosses / Containing Descriptions of All the Genera and Species, (With Localities of the Rarer Ones) Found in Great Britain and Ireland, Based Upon Wilson's "Bryologia Britannica," Schimper's "Synopsis," Etc. by Charles C. P. Hobkirk
  81. A Synopsis of the North American Lagomorpha by E. Raymond Hall
  82. A synopsis of the palms of Puerto Rico by O. F. Cook
  83. A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope by John D. Lynch
  84. A Taxonomic Study of the Middle American Snake, Pituophis deppei by William Edward Duellman
  85. A természettudomány fejlődésének története (1. kötet) by Wilhelm Bölsche
  86. A Text-book of Entomology / Including the Anatomy, Physiology, Embryology and Metamorphoses of Insects for Use in Agricultural and Technical Schools and Colleges as Well as by the Working Entomologist by A. S. Packard
  87. A text-book of veterinary anatomy by Septimus Sisson
  88. A Treatise of Buggs by John Southall
  89. A Treatise on Physiology and Hygiene / For Educational Institutions and General Readers by Joseph C. Hutchison
  90. A treatise on the esculent funguses of England / containing an account of their classical history, uses, characters, development, structure, nutritious properties, modes of cooking and preserving, etc. by David Badham
  91. A treatise on the origin, progress, prevention, and cure of dry rot in timber by Thomas Allen Britton
  92. A Treatise on the Plague and Yellow Fever / With an Appendix, containing histories of the plague at Athens in the time of the Peloponnesian War; at Constantinople in the time of Justinian; at London in 1665; at Marseilles in 1720 by James Tytler
  93. ABC's of Science by Charles A. Oliver
  94. Account of the Skeleton of the Mammoth / A non-descript carnivorous animal of immense size, found in America by Rembrandt Peale
  95. Additional Records and Extensions of Known Ranges of Mammals from Utah by Stephen David Durrant
  96. Additions to the List of the Birds of Louisiana by Jr. George H. Lowery
  97. Agricultural zoology by J. Ritzema Bos
  98. Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 by Alfred Russel Wallace
  99. Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 by Alfred Russel Wallace
  100. All about Ferrets and Rats / A Complete History of Ferrets, Rats, and Rat Extermination from Personal Experiences and Study. Also a Practical Hand-Book on the Ferret. by Adolph Isaacsen
  101. Alpine flora of the Canadian Rocky Mountains by Stewardson Brown
  102. Ameboid movement by Asa A. Schaeffer
  103. American Addresses, with a Lecture on the Study of Biology by Thomas Henry Huxley
  104. American Forest Trees by Henry H. Gibson
  105. American Pomology. Apples by J. A. Warder
  106. American Weasels by E. Raymond Hall
  107. Amphibians and Reptiles of the Rainforests of Southern El Petén, Guatemala by William Edward Duellman
  108. An Account of the Insects Noxious to Agriculture and Plants in New Zealand / The Scale Insects (Coccididae) by William Miles Maskell
  109. An account of the manner of inoculating for the small pox in the East Indies / With some observations on the practice and mode of treating that disease in those parts by J. Z. Holwell
  110. An anatomical disquisition on the motion of the heart & blood in animals by William Harvey
  111. An Annotated Check List of the Mammals of Michoacán, México by E. Raymond Hall
  112. An Annotated Checklist of Nebraskan Bats by Olin L. Webb
  113. An Attempt to Investigate the Seat of Animal Life by Henry Curtis
  114. An Australian Bird Book: A Pocket Book for Field Use by John Albert Leach
  115. An elementary manual of New Zealand entomology by G. V. Hudson
  116. An Elementary Study of Insects by Leonard Haseman
  117. An Elementary Text-book of the Microscope / including a description of the methods of preparing and mounting objects, etc. by J. W. Griffith
  118. An essay towards a natural history of serpents by Charles Owen
  119. An Estimate of the True Value of Vaccination as a Security Against Small Pox by T. M. Greenhow
  120. An ethical problem; or, Sidelights upon scientific experimentation on man and animals by Albert Leffingwell
  121. An Examination of Weismannism by George John Romanes
  122. An Experimental Translocation of the Eastern Timber Wolf by Thomas F. Weise
  123. An Expository Outline of the "Vestiges of the Natural History of Creation" / With a Notice of the Author's "Explanations:" A Sequel to the Vestiges by S. Laing
  124. An Introduction to Entomology: Vol. 1 / or Elements of the Natural History of the Insects by William Kirby
  125. An Introduction to Entomology: Vol. 2 / or Elements of the Natural History of the Insects by William Kirby
  126. An Introduction to Entomology: Vol. 3 / or Elements of the Natural History of the Insects by William Kirby
  127. An Introduction to Entomology: Vol. 4 / or Elements of the Natural History of the Insects by William Kirby
  128. An Introduction to Nature-study by E. Stenhouse
  129. An Introduction to the History of Science by Walter Libby
  130. An introduction to the study of mammals living and extinct by William Henry Flower
  131. Anatomy of the Cat by Jacob Reighard
  132. Ancient Plants / Being a Simple Account of the past Vegetation of the Earth and of the Recent Important Discoveries Made in This Realm of Nature by Marie Carmichael Stopes
  133. André Michaux's Travels into Kentucky, 1793-96; François André Michaux's Travels West of Alleghany Mountains, 1802; Thaddeus Mason Harris's Journal of a Tour Northwest of Alleghany Mountains, 1803. by André Michaux
  134. Animal Behaviour by C. Lloyd Morgan
  135. Animal Castration by Alexandre François Augustin Liautard
  136. Animal Intelligence / The International Scientific Series, Vol. XLIV. by George John Romanes
  137. Animal intelligence: Experimental studies by Edward L. Thorndike
  138. Animal Life and Intelligence by C. Lloyd Morgan
  139. Animal Life in Field and Garden by Jean-Henri Fabre
  140. Animal Locomotion; or, walking, swimming, and flying / With a dissertation on aëronautics by James Bell Pettigrew
  141. Animal Parasites and Messmates by P. J. van Beneden
  142. Animal portraiture by Richard Lydekker
  143. Animals of the Past by Frederic A. Lucas
  144. Antarctic Penguins: A Study of Their Social Habits by G. Murray Levick
  145. Anthropoid apes by Robert Hartmann
  146. Antony van Leeuwenhoek, de ontdekker der infusorien, 1675-1875 by P. J. Haaxman
  147. Ants and Some Other Insects: An Inquiry Into the Psychic Powers of These Animals by Auguste Forel
  148. Apes and Monkeys: Their Life and Language by R. L. Garner
  149. Aphorisms and Reflections from the works of T. H. Huxley by Thomas Henry Huxley
  150. Aphorisms and Reflections from the Works of T. H. Huxley by Thomas Henry Huxley
  151. Applied Eugenics by Paul Popenoe
  152. Arabische Pflanzennamen aus Aegypten, Algerien und Jemen by Georg August Schweinfurth
  153. Archimedes; or, the future of physics by Lancelot Law Whyte
  154. Are the Effects of Use and Disuse Inherited? / An Examination of the View Held by Spencer and Darwin by W. P. Ball
  155. Argentine Ornithology, Volume 1 (of 2) / A descriptive catalogue of the birds of the Argentine Republic. by Philip Lutley Sclater
  156. Argentine Ornithology, Volume 2 (of 2) / A descriptive catalogue of the birds of the Argentine Republic. by Philip Lutley Sclater
  157. Aristotle's History of Animals / In Ten Books by Aristotle
  158. Aromatics and the Soul: A Study of Smells by Dan McKenzie
  159. Artistic Anatomy of Animals by Édouard Cuyer
  160. Aspects of nature, in different lands and different climates (Vol. 2 of 2) / with scientific elucidations by Alexander von Humboldt
  161. Aspects of plant life; with special reference to the British flora by R. Lloyd Praeger
  162. Aspects of Reproduction and Development in the Prairie Vole (Microtus ochrogaster) by Henry S. Fitch
  163. At the Deathbed of Darwinism: A Series of Papers by Eberhard Dennert
  164. Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique / avec leur description, moeurs et organisation by René Martin
  165. Atoms, Nature, and Man: Man-made Radioactivity in the Environment by Neal O. Hines
  166. Aus dem Leben der Insekten by Arabella B. Buckley
  167. Aus den Tiefen des Weltmeeres / Schilderungen von der deutschen Tiefsee-Expedition by Carl Chun
  168. Australian insects by Walter W. Froggatt
  169. Autobiography and Selected Essays by Thomas Henry Huxley
  170. Az ember helye a természetben by Mihály Lenhossék
  171. Bacteria / Especially as they are related to the economy of nature, to industrial processes, and to the public health by Sir George Newman
  172. Bacteria in Daily Life by Grace C. Frankland
  173. Bananas: Nature's Institution for the Promotion of Laziness by Edward Wilkin Perry
  174. Bass, Pike, Perch, and Others by James A. Henshall
  175. Beautiful Ferns by Daniel Cady Eaton
  176. Beautiful shells by H. G. Adams
  177. Bedenkingen tegen de Leer van Darwin / Gevolgd door beschouwingen over eenige philosophische onderwerpen. by Antoine Charles Reuther
  178. Bee Keeping by Frank Benton
  179. Bee-keeping for profit by W. S. Morley
  180. Bees by Everett Franklin Phillips
  181. Beginners' botany by L. H. Bailey
  182. Beginners' zoology by Walter Moore Coleman
  183. Beginselen der dierkunde by J. Ritzema Bos
  184. Being Well-Born: An Introduction to Eugenics by Michael F. Guyer
  185. Biographies of distinguished scientific men. First series by F. Arago
  186. Biological analogies in history by Theodore Roosevelt
  187. Biology by Edmund B. Wilson
  188. Biology and Its Makers / With Portraits and Other Illustrations by William A. Locy
  189. Biology versus Theology. The Bible: irreconcilable with Science, Experience, and even its own statements by Julian
  190. Bird studies with a camera by Frank M. Chapman
  191. Birds Found on the Arctic Slope of Northern Alaska by James W. Bee
  192. Birds from Coahuila, Mexico by Emil K. Urban
  193. Birds in Flight by W. P. Pycraft
  194. Birds of Guernsey (1879) / And the Neighbouring Islands: Alderney, Sark, Jethou, Herm; Being a Small Contribution to the Ornitholony of the Channel Islands by Cecil Smith
  195. Birds of the Rockies by Leander S. Keyser
  196. Birds useful and birds harmful by Ottó Herman
  197. Birds' Nests, Eggs and Egg-Collecting by Richard Kearton
  198. Blonde duinen by Jac. P. Thijsse
  199. Bodily changes in pain, hunger, fear, and rage by Walter B. Cannon
  200. Book of monsters by David Fairchild
  201. Botanical features of the Algerian Sahara by William Austin Cannon
  202. Botany for Ladies / or, A Popular Introduction to the Natural System of Plants, According to the Classification of De Candolle. by Mrs. Loudon
  203. Botany: The Science of Plant Life by Norman Taylor
  204. Bramble-Bees and Others by Jean-Henri Fabre
  205. British Bees / An Introduction into the Studies of the Natural History and Economy of the Bees Indigenous to the British Isles by William Edward Shuckard
  206. British birds by W. H. Hudson
  207. British Butterflies: Figures and Descriptions of Every Native Species by W. S. Coleman
  208. British Pomology / Or, the History, Description, Classification, and Synonymes, of the Fruits and Fruit Trees of Great Britain by Robert Hogg
  209. British Sea Birds by Charles Dixon
  210. Butterflies and Moths (British) by William S. Furneaux
  211. Butterflies Worth Knowing by Clarence Moores Weed
  212. Canterbury Pieces by Samuel Butler
  213. Carlo Darwin by Michele Lessona
  214. Carpet Beetles and Their Control by E. A. Back
  215. Case of Filaria loa by Douglas Argyll Robertson
  216. Cassell's book of birds; vol. 1 by Alfred Edmund Brehm
  217. Cassell's book of birds; vol. 2 by Alfred Edmund Brehm
  218. Cassell's book of birds; vol. 3 by Alfred Edmund Brehm
  219. Cassell's book of birds; vol. 4 by Alfred Edmund Brehm
  220. Catalogue of the dipterous insects collected at Singapore and Malacca by Alfred Russel Wallace
  221. Catholic Churchmen in Science [First Series] / Sketches of the Lives of Catholic Ecclesiastics Who Were Among the Great Founders in Science by James J. Walsh
  222. Cattle and Their Diseases / Embracing Their History and Breeds, Crossing and Breeding, and Feeding and Management; with the Diseases to Which They Are Subject, and the Remedies Best Adapted to Their Cure by Robert Jennings
  223. Cave Hunting / Researches on the evidence of caves respecting the early inhabitants of Europe by William Boyd Dawkins
  224. Cavity-Nesting Birds of North American Forests / Agriculture Handbook 511 by Virgil E. Scott
  225. Charles Darwin by Grant Allen
  226. Charles Darwin and the Theory of Natural Selection by Sir Edward Bagnall Poulton
  227. Charles Darwin: His Life Told in an Autobiographical Chapter, and in a Selected Series of His Published Letters by Charles Darwin
  228. Clever Hans (The Horse of Mr. Von Osten) / A contribution to experimental animal and human psychology by Oskar Pfungst
  229. Collected Essays, Volume V / Science and Christian Tradition: Essays by Thomas Henry Huxley
  230. Colouration in Animals and Plants by Alfred Tylor
  231. Comments on the Taxonomic Status of Apodemus peninsulae, with Description of a New Subspecies from North China by J. Knox Jones
  232. Comments on the Taxonomy and Geographic Distribution of North American Microtines by E. Raymond Hall
  233. Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores by E. Raymond Hall
  234. Comments on the Taxonomy and Geographic Distribution of Some North American Rabbits by E. Raymond Hall
  235. Comments on the Taxonomy and Geographic Distribution of Some North American Rodents by E. Raymond Hall
  236. Common Diseases of Farm Animals by Robert Alexander Craig
  237. Common objects of the microscope by J. G. Wood
  238. Common Science by Carleton Washburne
  239. Complete Treatise on the mare and foal at the time of delivery, with illustrations. / Also on cows and calves, with stallion and mare, when diseased by Gonorrhea (clap) or Pox, also Diarrhea and Costiveness in Colts. by Conrad Mitchell
  240. Conspecificity of two pocket mice, Perognathus goldmani and P. artus by E. Raymond Hall
  241. Contributions to the Theory of Natural Selection / A Series of Essays by Alfred Russel Wallace
  242. Coral and Coral Reefs by Thomas Henry Huxley
  243. Coral Reefs by Charles Darwin
  244. Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1 by Alexander von Humboldt
  245. Coyotes in Their Economic Relations by David E. Lantz
  246. Creation and Its Records / A Brief Statement of Christian Belief with Reference to Modern Facts and Ancient Scripture by B. H. Baden-Powell
  247. Creierul, O Enigma Descifrata by Dorin Teodor Moisa
  248. Criticisms on "The Origin of Species" / From 'The Natural History Review', 1864 by Thomas Henry Huxley
  249. Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes / Notes and Memoranda: Medical and Anthropological; Botanical; Ornithological. by John Muir
  250. Daedalus by J. B. S. Haldane
  251. Dairy Disagreeables Busy the Bacteriologists by Frank H. Hall
  252. Dans la Haute-Gambie by A. Rançon
  253. Darwin by Gamaliel Bradford
  254. Darwin and Modern Science by A. C. Seward
  255. Darwin, and After Darwin, Volume 2 of 3 / Post-Darwinian Questions: Heredity and Utility by George John Romanes
  256. Darwin, and After Darwin, Volume 3 of 3 / Post-Darwinian Questions: Isolation and Physiological Selection by George John Romanes
  257. Darwin, and After Darwin, Volumes 1 and 3 / An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions by George John Romanes
  258. Darwiniana : Essays — Volume 02 by Thomas Henry Huxley
  259. Darwiniana; Essays and Reviews Pertaining to Darwinism by Asa Gray
  260. Darwinism (1889) / An exposition of the theory of natural selection, with some of its applications by Alfred Russel Wallace
  261. Darwinism and Race Progress by John Berry Haycraft
  262. Darwinism stated by Darwin himself / Characteristic passages from the writings of Charles Darwin by Charles Darwin
  263. Darwinism. The Noachian Flood / A lecture delivered before the Torquay Natural History Society, Jan. 31st, 1870 by Thomas Roscoe Rede Stebbing
  264. Das Mikroskop und seine Anwendung / Ein Leitfaden bei mikroskopischen Untersuchungen by Hermann Hager
  265. Das Protistenreich by Ernst Haeckel
  266. Das Protoplasma der Rhizopoden und der Pflanzenzellen / ein Beitrag zur Theorie der Zelle by Max Schultze
  267. De afstamming van den mensch / Naar voordrachten in populair-wetenschappelijken vorm bewerkt by Jan Boeke
  268. De afstamming van den mensch en de seksueele teeltkeus, deel 1 (van 2) by Charles Darwin
  269. De afstamming van den mensch en de seksueele teeltkeus, deel 2 (van 2) by Charles Darwin
  270. De Canibus Britannicis: Of Englishe Dogges by John Caius
  271. De koraal-eilanden: fragment uit het dagboek van een natuuronderzoeker / De Aarde en haar Volken, 1875 by Charles Darwin
  272. De l'origine des espèces by Charles Darwin
  273. De la télépathie: Étude sur la transmission de la pensée by Émile Hureau
  274. De martelaars der wetenschap by Gaston Tissandier
  275. De Plantis Esculentis Insularum Oceani Australis Commentatio Botanica by Georg Forster
  276. De Rariorum Animalium atque Stirpium Historia by John Caius
  277. De Reis om de Wereld by Charles Darwin
  278. De Usu Ratiocinii Mechanici in Medicina by Herman Boerhaave
  279. De Wereld vóór de schepping van den mensch by Camille Flammarion
  280. Death and resurrection from the point of view of the cell-theory by Gustaf Björklund
  281. Degeneration: A Chapter in Darwinism by Sir E. Ray Lankester
  282. Delineations of the Ox Tribe: The Natural History of Bulls, Bisons, and Buffaloes. / Exhibiting all the Known Species and the More Remarkable Varieties of the Genus Bos. by George Vasey
  283. Den Hunting as a Means of Coyote Control by Stanley Paul Young
  284. Der Ameisenlöwe by Franz Doflein
  285. Der Mensch der Zukunft by Wilhelm Bölsche
  286. Der Tabak: Studien über seine Kultur und Biologie by C. J. Koning
  287. Der Unterkiefer des Homo Heidelbergensis: Aus den Sanden von Mauer bei Heidelberg by Otto Schoetensack
  288. Description of a New Vespertilionine Bat from Yucatan / Author's Edition, extracted from Bulletin of the American Museum of Natural History, Vol. IX, September 28, 1897 by J. A. Allen
  289. Descriptions of New Hylid Frogs From Mexico and Central America by William Edward Duellman
  290. Descriptions of Two Species of Frogs, Genus Ptychohyla / Studies of American Hylid Frogs, V by William Edward Duellman
  291. Descriptive Zoopraxography; or, the science of animal locomotion made popular by Eadweard Muybridge
  292. Desert and water gardens of the Red Sea by Cyril Crossland
  293. Determining the Age of Cattle by the Teeth by George W. Pope
  294. Development of the Digestive Canal of the American Alligator by A. M. Reese
  295. Die Cellularpathologie / in ihrer Begründung auf physiologische und pathologische Gewebelehre by Rudolf Virchow
  296. Die epiphytische Vegetation Amerikas by A. F. W. Schimper
  297. Die krankheiterregenden Bakterien / Entstehung, Heilung und Bekämpfung der bakteriellen Infektionskrankheiten des Menschen by Max Löhlein
  298. Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band / Von den Anfängen bis zum Wiederaufleben der Wissenschaften by Friedrich Dannemann
  299. Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, II. Band / Von Galilei bis zur Mitte des XVIII. Jahrhunderts by Friedrich Dannemann
  300. Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, III. Band / Das Emporblühen der modernen Naturwissenschaften bis zur Entdeckung des Energieprinzipes by Friedrich Dannemann
  301. Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, IV. Band / Das Emporblühen der modernen Naturwissenschaften seit der Entdeckung des Energieprinzips by Friedrich Dannemann
  302. Die organische Chemie in ihrer Anwendung auf Physiologie und Pathologie by Freiherr von Justus Liebig
  303. Die Welträtsel: Gemeinverständliche Studien über Monistische Philosophie by Ernst Haeckel
  304. Dinosaurs, with Special Reference to the American Museum Collections by William Diller Matthew
  305. Directions for Collecting and Preserving Insects by Charles V. Riley
  306. Discourses: Biological & Geological / Essays by Thomas Henry Huxley
  307. Disease in plants by H. Marshall Ward
  308. Dissection of the Platana and the Frog by J. D. F. Gilchrist
  309. Dissertatio inauguralis physico-medica de respiratione / quam consensu & auctoritate gratiosissimi medicorum ordinis in universitate patria pro summis in arte medica honoribus & privilegiis doctoralibus rite consequendis.... by Daniel Bernoulli
  310. Distribution of Some Nebraskan Mammals by J. Knox Jones
  311. Domestic Animals / History and description of the horse, mule, cattle, sheep, swine, poultry and farm dogs; with directions for their management, breeding, crossing, rearing, feeding, and preparation for a profitable market; also their diseases and remedies. Together with full directions for the management of the dairy. by Richard Lamb Allen
  312. Domesticated animals by Nathaniel Southgate Shaler
  313. Dr. B. Mure's materia medica by Benoît Mure
  314. Dragons of the Air: An Account of Extinct Flying Reptiles by H. G. Seeley
  315. Duality of Voice by Emil Sutro
  316. Earthworms and Their Allies by Frank E. Beddard
  317. Ecological Observations on the Woodrat, Neotoma floridana by Henry S. Fitch
  318. Ecological Studies of the Timber Wolf in Northeastern Minnesota by L. David Mech
  319. Ecology of the Opossum on a Natural Area in Northeastern Kansas by Henry S. Fitch
  320. Einheimische Fische; Die Süßwasserfische unsrer Heimat by Kurt Floericke
  321. El Campesino Puertorriqueño / Sus Condiciones Físicas, Intelectuales y Morales, Causas que la Determinan y Medios Para Mejorarlas by Francisco del Valle Atiles
  322. Eleanor Ormerod, LL. D., Economic Entomologist : Autobiography and Correspondence by Eleanor A. Ormerod
  323. Elementary Botany by George Francis Atkinson
  324. Elementary Zoology, Second Edition by Vernon L. Kellogg
  325. Elements of Physiophilosophy by Lorenz Oken
  326. Elements of Structural and Systematic Botany / For High Schools and Elementary College Courses by Douglas Houghton Campbell
  327. Els aucells més útils a la agricultura de Catalunya by Emili Tarré
  328. Emanuel Swedenborg's Investigations in Natural Science and the Basis for His Statements Concerning the Functions of the Brain by Martin Ramström
  329. Embryology: The Beginnings of Life by Gerald R. Leighton
  330. Epidemic Respiratory Disease / The pneumonias and other infections of the repiratory tract accompanying influenza and measles by Eugene L. Opie
  331. Epidemics Examined and Explained: or, Living Germs Proved by Analogy to be a Source of Disease by John Grove
  332. Essays in eugenics by Francis Galton
  333. Essays in Natural History and Agriculture by Thomas Garnett
  334. Essays of a Biologist by Julian Huxley
  335. Essays on Darwinism by Thomas Roscoe Rede Stebbing
  336. Essays on the Microscope / Containing a Practical Description of the Most Improved Microscopes, a General History of Insects, etc., etc. by George Adams
  337. Essays Upon Heredity and Kindred Biological Problems / Authorised Translation by August Weismann
  338. Essays Upon Some Controverted Questions by Thomas Henry Huxley
  339. Essays: Scientific, Political, & Speculative; Vol. 1 of 3 / Library Edition (1891), Containing Seven Essays not before Republished, and Various other Additions. by Herbert Spencer
  340. Eugenics as a Factor in the Prevention of Mental Disease by Horatio M. Pollock
  341. European Fungus Flora: Agaricaceae by George Massee
  342. Every Girl's Book by George Frank Butler
  343. Everyday Objects; Or, Picturesque Aspects of Natural History. by W. H. Davenport Adams
  344. Evidence as to Man's Place in Nature by Thomas Henry Huxley
  345. Evolution by Edward Hoare
  346. Evolution by James A. S. Watson
  347. Evolution and Adaptation by Thomas Hunt Morgan
  348. Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae by Robert J. Russell
  349. Evolution and creation by Herbert Junius Hardwicke
  350. Evolution made plain by John Mason
  351. Evolution of Life and Form / Four lectures delivered at the twenty-third anniversary meeting of the Theosophical Society at Adyar, Madras, 1898 by Annie Besant
  352. Evolution Social and Organic by Arthur M. Lewis
  353. Evolution, Old & New / Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, / as compared with that of Charles Darwin by Samuel Butler
  354. Evolution: An Investigation and a Critique by Theodore Graebner
  355. Evolution: Its nature, its evidence, and its relation to religious thought by Joseph LeConte
  356. Experiments and Observations Relative to the Influence Lately Discovered by M. Galvani and Commonly Called Animal Electricity by Richard Fowler
  357. Experiments on Animals by Stephen Paget
  358. Experiments on the Nervous System with Opium and Metalline Substances / Made Chiefly with the View of Determining the Nature and Effects of Animal Electricity by Alexander Monro
  359. Explanation of Terms Used in Entomology by John Bernhard Smith
  360. Extensions of Known Ranges of Mexican Bats by Sydney Anderson
  361. Extinct Monsters / A Popular Account of Some of the Larger Forms of Ancient Animal Life by H. N. Hutchinson
  362. Fabre's Book of Insects by Jean-Henri Fabre
  363. Facts and Arguments for Darwin by Fritz Müller
  364. Falling in Love; With Other Essays on More Exact Branches of Science by Grant Allen
  365. Fathers of Biology by Charles McRae
  366. Fauna der Nassauischen Mollusken by Wilhelm Kobelt
  367. Fear by A. Mosso
  368. Field and Woodland Plants by William S. Furneaux
  369. Field Mice as Farm and Orchard Pests by David E. Lantz
  370. Field, Forest and Farm / Things interesting to young nature-lovers, including some matters of moment to gardeners and fruit-growers by Jean-Henri Fabre
  371. Finger prints by Francis Galton
  372. First course in biology by L. H. Bailey
  373. Fishes of Chautauqua, Cowley and Elk Counties, Kansas by Artie L. Metcalf
  374. Fishes of the Big Blue River Basin, Kansas by W. L. Minckley
  375. Fishing Grounds of the Gulf of Maine by Walter H. Rich
  376. Flora of the Sudan by A. F. Broun
  377. Florulae Insularum Australium Prodromus by Georg Forster
  378. Flowers and their friends by Margaret Warner Morley
  379. Flowers of mountain and plain by Edith S. Clements
  380. Flowers of the Southwest Deserts by Natt N. Dodge
  381. Food Habits of the Thrushes of the United States by F. E. L. Beal
  382. Food of the Crow, Corvus brachyrhynchos Brehm, in South-central Kansas by Dwight R. Platt
  383. Foreign Butterflies by James Duncan
  384. Forest Trees of Illinois: How to Know Them by George D. Fuller
  385. Forest Trees of Texas: How to Know Them by Wilbur R. Mattoon
  386. Form and Function: A Contribution to the History of Animal Morphology by E. S. Russell
  387. Fossil Butterflies / Memoirs of the American Association for the Advancement of Science, I. by Samuel Hubbard Scudder
  388. Fossil plants, Vol. 1 by A. C. Seward
  389. Fossil plants, Vol. 2 by A. C. Seward
  390. Fossil plants, Vol. 3 by A. C. Seward
  391. Four New Pocket Gophers of the Genus Cratogeomys from Jalisco, Mexico by Robert J. Russell
  392. Freedom in Science and Teaching. / from the German of Ernst Haeckel by Ernst Haeckel
  393. Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
  394. From an Easy Chair by Sir E. Ray Lankester
  395. Fruits of the Hawaiian Islands by Gerrit Parmile Wilder
  396. Fungi: Their Nature and Uses by M. C. Cooke
  397. Garden Pests in New Zealand / A Popular Manual for Practical Gardeners, Farmers and Schools by David Miller
  398. Genera and Subgenera of Chipmunks by John A. White
  399. Genera of Leptodactylid Frogs in México by John D. Lynch
  400. General Anatomy, Applied to Physiology and Medicine, Vol. 1 (of 3) by Xavier Bichat
  401. General Anatomy, Applied to Physiology and Medicine, Vol. 2 (of 3) by Xavier Bichat
  402. General Anatomy, Applied to Physiology and Medicine, Vol. 3 (of 3) by Xavier Bichat
  403. General Science by Bertha May Clark
  404. Geographic Distribution and Taxonomy of the Chipmunks of Wyoming by John A. White
  405. Geographic Distribution of the Pocket Mouse, Perognathus fasciatus by J. Knox Jones
  406. Geographic Range of the Hooded Skunk, Mephitis macroura / With Description of a New Subspecies from Mexico by E. Raymond Hall
  407. Geographic Variation in Red-backed Mice (Genus Clethrionomys) of the Southern Rocky Mountain Region by E. Lendell Cockrum
  408. Geographic Variation in the Harvest Mouse, Reithrodontomys megalotis, On the Central Great Plains And in Adjacent Regions by J. Knox Jones
  409. Geographic Variation in the Pocket Gopher, Cratogeomys castanops, in Coahuila, México by Robert J. Russell
  410. Geological Contemporaneity and Persistent Types of Life by Thomas Henry Huxley
  411. Geschichte der Zoologie by Rudolf Burckhardt
  412. Glaucus; Or, The Wonders of the Shore by Charles Kingsley
  413. Glimpses of Ocean Life; Or, Rock-Pools and the Lessons they Teach by John Harper
  414. God and the World: A Survey of Thought by Arthur William Robinson
  415. Gorillas & Chimpanzees by R. L. Garner
  416. Graphic illustrations of abortion and the diseases of menstruation / Consisting of Twelve Plates from Drawings Engraved on Stone, and Coloured by Mr. J. Perry, and Two Copper-plates from the Philosophical Transactions, Coloured by the Same Artist. the Whole Representing Forty-five Specimens of Aborted Ova and Adventitious Productions of the Uterus, With Preliminary Observations, Explanations of the Figures and Remarks, Anatomical and Physiological. by A. B. Granville
  417. Grasses by H. Marshall Ward
  418. Greek Biology & Greek Medicine by Charles Singer
  419. Grundzüge der Paläontologie (Paläozoologie). 1. Abteilung: Invertebrata. by Karl Alfred von Zittel
  420. Grundzüge der Paläontologie (Paläozoologie). 2. Abteilung: Vertebrata. by Karl Alfred von Zittel
  421. Guide to the study of animal ecology by Charles C. Adams
  422. Haeckel by Wilhelm Bölsche
  423. Half Hours With Modern Scientists: Lectures and Essays by Thomas Henry Huxley
  424. Half hours with the lower animals by Charles Frederick Holder
  425. Handboek voor den kaasmaker in Nederland by Pierre Jean Hollman
  426. Handbook of Medical Entomology by William A. Riley
  427. Handbook of the Trees of New England by Lorin Low Dame
  428. Harvesting Ants and Trap-Door Spiders / Notes and Observations on Their Habits and Dwellings by John Traherne Moggridge
  429. Harvey's Views on the Use of the Circulation of the Blood by John Green Curtis
  430. Herbal Simples Approved for Modern Uses of Cure by William Thomas Fernie
  431. Herbals, Their Origin and Evolution: A Chapter in the History of Botany 1470-1670 by Agnes Robertson Arber
  432. Heroes of science by P. Martin Duncan
  433. Het Leven der Dieren, Deel 3, Hoofdstuk 04: De Insecten by Alfred Edmund Brehm
  434. Het Leven der Dieren, Deel 3, Hoofdstuk 5: De Spinachtigen by Alfred Edmund Brehm
  435. Het Leven der Dieren, Deel 3, Hoofdstuk 6: De Wormen by Alfred Edmund Brehm
  436. Het Leven der Dieren. Deel 3, Hoofdstuk 5: De Amphibiën by Alfred Edmund Brehm
  437. Het Leven der Dieren. Deel 3. Afdeling 2. De Visschen by Alfred Edmund Brehm
  438. Het Leven der Dieren. Derde Deel, Hoofdstuk 1 tot 4, De Kruipende Dieren by Alfred Edmund Brehm
  439. Het Leven der Dieren: Deel 1, Hoofdstuk 01: De Apen by Alfred Edmund Brehm
  440. Het Leven der Dieren: Deel 1, Hoofdstuk 02: De Halfapen; Hoofdstuk 03: De Vleermuizen by Alfred Edmund Brehm
  441. Het Leven der Dieren: Deel 1, Hoofdstuk 04: De Roofdieren by Alfred Edmund Brehm
  442. Het Leven der Dieren: Deel 1, Hoofdstuk 05: Robben; Hoofdstuk 06: Insecteneters by Alfred Edmund Brehm
  443. Het Leven der Dieren: Deel 1, Hoofdstuk 07: De Knaagdieren by Alfred Edmund Brehm
  444. Het Leven der Dieren: Deel 1, Hoofdstuk 08: De Tandeloozen; Hoofdstuk 09: De Slurfdieren; Hoofdstuk 10: De Onevenvingerigen by Alfred Edmund Brehm
  445. Het Leven der Dieren: Deel 1, Hoofdstuk 11: De Evenvingerigen by Alfred Edmund Brehm
  446. Het Leven der Dieren: Deel 1, Hoofdstuk 12: Sirenen; Hoofdstuk 13: Walvischachtigen by Alfred Edmund Brehm
  447. Het Leven der Dieren: Deel 1, Hoofdstuk 14: Buideldieren; Hoofdstuk 15: Kloakdieren by Alfred Edmund Brehm
  448. Het Leven der Dieren: Deel 2, Hoofdstuk 01: De Boomvogels. by Alfred Edmund Brehm
  449. Het Leven der Dieren: Deel 2, Hoofdstuk 02: De Papegaaien; Hoofdstuk 03: De Duifvogels by Alfred Edmund Brehm
  450. Het Leven der Dieren: Deel 2, Hoofdstuk 04: De Hoendervogels by Alfred Edmund Brehm
  451. Het Leven der Dieren: Deel 2, Hoofdstuk 05: De Ralvogels; Hoofdstuk 06: De Kraanvogels by Alfred Edmund Brehm
  452. Het Leven der Dieren: Deel 2, Hoofdstuk 10: De Stootvogels by Alfred Edmund Brehm
  453. Het Leven der Dieren: Deel 2, Hoofdstuk 11 tot 14: Hoenderkoeten; Nandoes; Kasuarisvogels; Struisen; Hagedisvogels by Alfred Edmund Brehm
  454. Het Leven der Dieren: Deel 3.7, De Weekdieren by Alfred Edmund Brehm
  455. Het Leven der Dieren: Deel 3.8, De Stekelhuidigen, Plantdieren en Sponsen by Alfred Edmund Brehm
  456. Het Leven der Dieren: Deel 3.9, De Oerdieren by Alfred Edmund Brehm
  457. Het Leven der Dieren: Hoofdstuk 7: De Pluviervogels by Alfred Edmund Brehm
  458. Het Leven der Dieren: Hoofdstuk 8: De Vinduikers; Hoofdstuk 9: de Stormvogels by Alfred Edmund Brehm
  459. Het paard by Wilhelm Bölsche
  460. Himalayan Journals — Complete / Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc. by Joseph Dalton Hooker
  461. Himalayan Journals — Volume 1 / Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc. by Joseph Dalton Hooker
  462. Himalayan Journals — Volume 2 / Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc. by Joseph Dalton Hooker
  463. Hints on the History and Management of the Honey Bee / Being the Substance of Two Lectures Read Before the Members of the Hereford Literary, Philosophical, and Antiquarian Institution, in the Winter of 1850-51 by Edward Bevan
  464. Hints towards the formation of a more comprehensive theory of life. by Samuel Taylor Coleridge
  465. Histoire des légumes by Georges Gibault
  466. Histoire naturelle des oiseaux d'Afrique, t. 1 by François Le Vaillant
  467. History of biology by L. C. Miall
  468. History of Botany (1530-1860) by Julius Sachs
  469. History of Embalming / and of Preparations in Anatomy, Pathology, and Natural History; Including an Account of a New Process for Embalming by J.-N. Gannal
  470. History of the Conflict Between Religion and Science by John William Draper
  471. Home Range and Movements of the Eastern Cottontail in Kansas by Donald W. Janes
  472. Homo-Culture; Or, The Improvement of Offspring Through Wiser Generation by M. L. Holbrook
  473. Hormones and Heredity / A Discussion of the Evolution of Adaptations and the Evolution of Species by J. T. Cunningham
  474. House Flies by L. O. Howard
  475. House Rats and Mice by David E. Lantz
  476. How Does a Tree Grow? Or, Botany for Young Australians by James Bonwick
  477. How to Know the Ferns by S. Leonard Bastin
  478. How to Use the Popular Science Library; History of Science; General Index by Garrett Putman Serviss
  479. Humanity to Honey-Bees / or, Practical Directions for the Management of Honey-Bees Upon an Improved and Humane Plan, by Which the Lives of Bees May Be Preserved, and Abundance of Honey of a Superior Quality May Be Obtained by Thomas Nutt
  480. Humboldt / From 'The Gods and Other Lectures' by Robert Green Ingersoll
  481. Hybridization Between Two Species of Garter Snakes by Hobart M. Smith
  482. I funghi mangerecci e velenosi dell'Europa media / con speciale riguardo a quelli che crescono nel Trentino - II edizione riveduta ed aumentata by Giacomo Bresadola
  483. Ideen zu einer Physiognomik der Gewächse by Alexander von Humboldt
  484. Ilex cassine, the aboriginal North American tea / by Edwin M. Hale
  485. Illustrated Index of British Shells / Containing figures of all the recent species by G. B. Sowerby
  486. Illustrations of Exotic Entomology, Volume 1 by Dru Drury
  487. Illustrations of Exotic Entomology, Volume 2 by Dru Drury
  488. Illustrations of Exotic Entomology, Volume 3 by Dru Drury
  489. Illustrations of the Birds of California, Texas, Oregon, British and Russian America by John Cassin
  490. Illustrations of the birds of Jamaica by Philip Henry Gosse
  491. Im Zauber des Tierlebens by Friedrich von Lucanus
  492. Importanza e risultati degli incrociamenti in avicoltura by Teodoro Pascal
  493. Improved Queen-Rearing; or, How to Rear Large, Prolific, Long-Lived Queen Bees / The Result of Nearly Half a Century's Experience in Rearing Queen Bees, Giving the Practical, Every-day Work of the Queen-Rearing Apiary by Henry Alley
  494. In sloot en plas by Eli Heimans
  495. Index of the Project Gutenberg Works of Charles Darwin by Charles Darwin
  496. Inferences from Haunted Houses and Haunted Men by J. W. Harris
  497. Inheritance of Characteristics in Domestic Fowl by Charles Benedict Davenport
  498. Initiative in Evolution by Walter Kidd
  499. Inorganic Plant Poisons and Stimulants by Winifred Elsie Brenchley
  500. Inquiries into human faculty and its development by Francis Galton
  501. Insect Architecture by James Rennie
  502. Insect life: Souvenirs of a naturalist by Jean-Henri Fabre
  503. Insectivorous Plants by Charles Darwin
  504. Intelligence in Plants and Animals / Being a New Edition of the Author's Privately Issued "Soul and Immortality." by Thomas G. Gentry
  505. Introduction to the Study of Palæontological Botany by John Hutton Balfour
  506. Introduction à l'étude de la médecine expérimentale by Claude Bernard
  507. Irritability: A Physiological Analysis of the General Effect of Stimuli in Living Substance by Max Verworn
  508. Island Life; Or, The Phenomena and Causes of Insular Faunas and Floras by Alfred Russel Wallace
  509. Jelly-Fish, Star-Fish, and Sea-Urchins: Being a Research on Primitive Nervous Systems by George John Romanes
  510. Journal of a tour in Marocco and the Great Atlas by Joseph Dalton Hooker
  511. Journal of Researches into the Natural History and Geology of the Countries Visited During the Voyage Round the World of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N. by Charles Darwin
  512. Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries by William Griffith
  513. Kasvikon oppisanoja by Elias Lönnrot
  514. Keys to Fungi on Dung by M. J. Richardson
  515. Kyphosis and other Variations in Soft-shelled Turtles by Hobart M. Smith
  516. L'Académie des sciences et les académiciens de 1666 à 1793 by Joseph Bertrand
  517. L'Afrique centrale française by Auguste Chevalier
  518. L'idée médicale dans les romans de Paul Bourget by J. Grasset
  519. L'intelligence des fleurs by Maurice Maeterlinck
  520. La espressione dei sentimenti dei nostri volatili domestici by Teodoro Pascal
  521. La flore utile du bassin de la Gambie by A. Rançon
  522. La philosophie zoologique avant Darwin by Edmond Perrier
  523. La simulación en la lucha por la vida by José Ingenieros
  524. La vie des termites by Maurice Maeterlinck
  525. La vérité sur le prétendu Silphion de la Cyrénaïque by F. Hérincq
  526. Lachesis Lapponica; Or, A Tour in Lapland, Volume 1 by Carl von Linné
  527. Lajien synty: Luonnollisen valinnan kautta by Charles Darwin
  528. Lamarck et son OEuvre by Emile Corra
  529. Lamarck, the Founder of Evolution: His Life and Work by A. S. Packard
  530. Lameness of the Horse / Veterinary Practitioners' Series, No. 1 by John Victor Lacroix
  531. Langstroth on the Hive and the Honey-Bee: A Bee Keeper's Manual by L. L. Langstroth
  532. Last Words on Evolution: A Popular Retrospect and Summary by Ernst Haeckel
  533. Lay Sermons, Addresses and Reviews by Thomas Henry Huxley
  534. Le livree dei nostri volatili domestici / in rapporto allo sport, alla produttività ed alla rusticità by Teodoro Pascal
  535. Le monde de la mer by Alfred Moquin-Tandon
  536. Le piante utili dell' Eritrea by Georg August Schweinfurth
  537. Le Sud-Oranais: études floristiques et phytogéographiques faites au cours d'une exploration dans le Sud-Ouest de l'Algérie en 1901 by B. P. G. Hochreutiner
  538. Lectures and Essays by Thomas Henry Huxley
  539. Lectures and Essays by Thomas Henry Huxley
  540. Lectures on Evolution / Essay #3 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  541. Lehrbuch der Botanik für Hochschulen by Eduard Strasburger
  542. Lehrbuch der Toxikologie für Tierärzte by Eugen Fröhner
  543. Les abeilles by Jean M. Pérez
  544. Les Phénomènes Psychiques Occultes: État Actuel de la Question by Albert Coste
  545. Les énigmes de l'Univers by Ernst Haeckel
  546. Letters of Asa Gray; Vol. 1 by Asa Gray
  547. Letters of Asa Gray; Vol. 2 by Asa Gray
  548. Lichens by Annie Lorrain Smith
  549. Life among the butterflies by Vance Randolph
  550. Life and Letters of Charles Darwin — Volume 2 by Charles Darwin
  551. Life and Letters of Thomas Henry Huxley — Volume 1 by Thomas Henry Huxley
  552. Life and Letters of Thomas Henry Huxley — Volume 3 by Thomas Henry Huxley
  553. Life histories of North American shore birds, Part 1 (of 2) by Arthur Cleveland Bent
  554. Life histories of North American wood warblers, Part 1 (of 2) by Arthur Cleveland Bent
  555. Life histories of North American woodpeckers by Arthur Cleveland Bent
  556. Life History and Ecology of the Five-Lined Skink, Eumeces fasciatus by Henry S. Fitch
  557. Life History of the Kangaroo Rat by Charles Taylor Vorhies
  558. Life Movements in Plants, Volume I by Jagadis Chandra Bose
  559. Life Movements in Plants, Volume II by Jagadis Chandra Bose
  560. Life of Charles Darwin by G. T. Bettany
  561. Life's Dawn on Earth / Being the history of the oldest known fossil remains, and their relations to geological time and to the development of the animal kingdom by Sir John William Dawson
  562. Links With the Past in the Plant World by A. C. Seward
  563. Little Busybodies: The Life of Crickets, Ants, Bees, Beetles, and Other Busybodies by Jeannette Augustus Marks
  564. Little Wanderers by Margaret Warner Morley
  565. Lives of Eminent Zoologists, from Aristotle to Linnæus / with Introductory remarks on the Study of Natural History by William MacGillivray
  566. Living lights by Charles Frederick Holder
  567. Louis Agassiz as a Teacher; illustrative extracts on his method of instruction by Lane Cooper
  568. Louis Agassiz: His Life and Correspondence by Louis Agassiz
  569. Louis Pasteur: His Life and Labours by René Vallery-Radot
  570. Luck, or Cunning, as the Main Means of Organic Modification by Samuel Butler
  571. Mammals from Southeastern Alaska by Rollin H. Baker
  572. Mammals from Tamaulipas, Mexico by Rollin H. Baker
  573. Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico by E. Raymond Hall
  574. Mammals of Mesa Verde National Park, Colorado by Sydney Anderson
  575. Mammals of the Grand Mesa, Colorado by Sydney Anderson
  576. Mammals of the Southwest Mountains and Mesas by George Olin
  577. Mammals taken Along the Alaska Highway by Rollin H. Baker
  578. Man And His Ancestor: A Study In Evolution by Charles Morris
  579. Man's Place in Nature, and Other Essays by Thomas Henry Huxley
  580. Man's Place in the Universe / A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition by Alfred Russel Wallace
  581. Man, Past and Present by A. H. Keane
  582. Manual of the apiary by Albert John Cook
  583. Manual of the Trees of North America (Exclusive of Mexico) 2nd ed. by Charles Sprague Sargent
  584. Marine Protozoa from Woods Hole / Bulletin of the United States Fish Commission 21:415-468, 1901 by Gary N. Calkins
  585. Marvels of Pond-life / Or, A Year's Microscopic Recreations Among the Polyps, Infusoria, Rotifers, Water-bears and Polyzoa by Henry James Slack
  586. Marxism and Darwinism by Anton Pannekoek
  587. Mazedonien by Franz Doflein
  588. Meeresfische by Kurt Floericke
  589. Memoir on the Dodo (Didus ineptus, Linn.) by Richard Owen
  590. Memoirs of the Distinguished Men of Science of Great Britain Living in the Years 1807-8 by William Walker
  591. Mendel's principles of heredity: A defence by William Bateson
  592. Mendelism / Third Edition by Reginald Crundall Punnett
  593. Mental Evolution in Man: Origin of Human Faculty by George John Romanes
  594. Mental Radio by Upton Sinclair
  595. Metapsychical Phenomena: Methods and Observations by J. Maxwell
  596. Methods of Destroying Rats by David E. Lantz
  597. Micrographia / Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon by Robert Hooke
  598. Middle American Frogs of the Hyla microcephala Group by William Edward Duellman
  599. Migration of Birds (1950) by Frederick Charles Lincoln
  600. Migration of Birds (1979) by Frederick Charles Lincoln
  601. Mimicry in Butterflies by Reginald Crundall Punnett
  602. Monism as Connecting Religion and Science / A Man of Science by Ernst Haeckel
  603. More Beetles by Jean-Henri Fabre
  604. More Hunting Wasps by Jean-Henri Fabre
  605. More Letters of Charles Darwin — Volume 1 / A Record of His Work in a Series of Hitherto Unpublished Letters by Charles Darwin
  606. More Letters of Charles Darwin — Volume 2 / A Record of His Work in a Series of Hitherto Unpublished Letters by Charles Darwin
  607. Mr. Gladstone and Genesis / Essay #5 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  608. Muistelmia hyönteismaailmasta: Kuvauksia hyönteisten tavoista ja vaistosta by Jean-Henri Fabre
  609. Mushroom and Toadstools / How to Distinguish Easily the Differences Between Edible and Poisonous Fungi by Worthington George Smith
  610. Mutual Aid: A Factor of Evolution by kniaz Petr Alekseevich Kropotkin
  611. Myology and Serology of the Avian Family Fringillidae: A Taxonomic Study by William B. Stallcup
  612. Mysteries of Bee-keeping Explained by M. Quinby
  613. Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume II / (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the / Austrian Navy. by Ritter von Karl Scherzer
  614. Natur und Mensch / Sechs Abschnitte aus Werken von Ernst Haeckel by Ernst Haeckel
  615. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) by Ray D. Burkett
  616. Natural History of the Bell Vireo, Vireo bellii Audubon by Jon C. Barlow
  617. Natural History of the Brush Mouse (Peromyscus boylii) in Kansas With Description of a New Subspecies by Charles Alan Long
  618. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz by John M. Legler
  619. Natural History of the Racer Coluber constrictor by Henry S. Fitch
  620. Natural History of the Salamander, Aneides hardii by Richard F. Johnston
  621. Natural Wonders by Edwin Tenney Brewster
  622. Nature readers by Julia McNair Wright
  623. Nature's Teachings: Human Invention Anticipated by Nature by J. G. Wood
  624. Neotropical Bats from Western México by Sydney Anderson
  625. Neotropical Hylid Frogs, Genus Smilisca by William Edward Duellman
  626. Nests and Eggs of Birds of the United States / Illustrated by Thomas G. Gentry
  627. Nests and Eggs of Familiar British Birds, Second Series / Described and Illustrated; with an Account of the Haunts and Habits of the Feathered Architects, and their Times and Modes of Building by H. G. Adams
  628. New observations on the natural history of bees by François Huber
  629. New Zealand Moths and Butterflies (Macro-Lepidoptera) by G. V. Hudson
  630. Nitrogen Bacteria and Legumes / With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils by Cyril G. Hopkins
  631. North American Jumping Mice (Genus Zapus) by Philip H. Krutzsch
  632. North American Yellow Bats, 'Dasypterus,' and a List of the Named Kinds of the Genus Lasiurus Gray by E. Raymond Hall
  633. Note on the Resemblances and Differences in the Structure and the Development of the Brain in Man and Apes by Thomas Henry Huxley
  634. Notes and Letters on the Natural History of Norfolk / More Especially on the Birds and Fishes by Sir Thomas Browne
  635. Notes on Diseases of Cattle: Cause, Symptoms and Treatment by Charles James Korinek
  636. Notes on Diseases of Swine, Sheep, Poultry and the Dog / Cause, Symptoms and Treatments by Charles James Korinek
  637. Notes on Veterinary Anatomy by Charles James Korinek
  638. Noteworthy families (modern science) by Francis Galton
  639. Noteworthy Mammals from Sinaloa, Mexico by J. Knox Jones
  640. Noteworthy Records of Bats From Nicaragua, with a Checklist of the Chiropteran Fauna of the Country by J. Knox Jones
  641. Notizie del pubblico giardino de' semplici di Padova compilate intorno l'anno 1771 by Giovanni Marsili
  642. Nouveaux souvenirs entomologiques - Livre II / Étude sur l'instinct et les moeurs des insectes by Jean-Henri Fabre
  643. Nouvel atlas de poche des champignons Comestibles et Vénéneux les plus répandus. Série I (Troisième édition) / Suivi de notions générales sur les champignons, leur classification, composition chimique, valeur alimentaire, préparation by Paul Dumée
  644. Nouvel atlas de poche des champignons Comestibles et Vénéneux les plus répandus. Série II (Première édition) by Paul Dumée
  645. Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2 / Plant-Dispersal by H. B. Guppy
  646. Observations on the Mississippi Kite in Southwestern Kansas by Henry S. Fitch
  647. Observations on the Oleum Jecoris Aselli, or Cod-liver Oil / Its nature, properties, mode of preparation, &c. by John Savory
  648. Observations on the Terataspis grandis, Hall, the largest known trilobite by John Mason Clarke
  649. Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains by Henry S. Fitch
  650. On Germinal Selection as a Source of Definite Variation by August Weismann
  651. On Molecular and Microscopic Science, Volume 2 (of 2) by Mary Somerville
  652. On Snake-Poison: Its Action and Its Antidote by A. Mueller
  653. On Some Fossil Remains of Man by Thomas Henry Huxley
  654. On the Advisableness of Improving Natural Knowledge by Thomas Henry Huxley
  655. On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment by Honoré Bourguignon
  656. On the Genesis of Species by St. George Jackson Mivart
  657. On the Method of Zadig / Essay #1 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  658. On the mode of communication of cholera by John Snow
  659. On the Origin and Metamorphoses of Insects by Sir John Lubbock
  660. On the origin of inflammation of the veins / and of the causes, consequences, and treatment of purulent deposits by M.D. Henry Lee
  661. On the Origin of Species by Means of Natural Selection / or the Preservation of Favoured Races in the Struggle for Life. (2nd edition) by Charles Darwin
  662. On the Origin of Species By Means of Natural Selection / Or, the Preservation of Favoured Races in the Struggle for Life by Charles Darwin
  663. On the phenomena of variation and geographical distribution as illustrated by the Papilionidæ of the Malayan region by Alfred Russel Wallace
  664. On the Reception of the 'Origin of Species' by Thomas Henry Huxley
  665. On the Relations of Man to the Lower Animals by Thomas Henry Huxley
  666. On the Seashore / Cassell's "Eyes and No Eyes" Series, Book VII by R. Cadwallader Smith
  667. On the Study of Zoology by Thomas Henry Huxley
  668. On the Variation of Species, with Especial Reference to the Insecta / Followed by an Inquiry into the Nature of Genera by Thomas Vernon Wollaston
  669. Origin of Cultivated Plants / The International Scientific Series Volume XLVIII by Alphonse de Candolle
  670. Ornithological biography, Vol. 4 (of 5) by John James Audubon
  671. Our Common Insects / A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses by A. S. Packard
  672. Our Domestic Birds: Elementary Lessons in Aviculture by John H. Robinson
  673. Our Summer Migrants / An Account of the Migratory Birds Which Pass the Summer in the British Islands. by James Edmund Harting
  674. Outlines of Creation by Elisha Noyce
  675. Outlines of dairy bacteriology, 10th edition / A concise manual for the use of students in dairying by H. L. Russell
  676. Outlines of Dairy Bacteriology, 8th edition / A Concise Manual for the Use of Students in Dairying by H. L. Russell
  677. Outlines of Lessons in Botany, Part I; from Seed to Leaf / For the Use of Teachers, or Mothers Studying with Their Children by Jane Newell Moore
  678. Palm trees of the Amazon and their uses by Alfred Russel Wallace
  679. Palæontological Report of the Princeton Scientific Expedition of 1877 by Henry Fairfield Osborn
  680. Parallel Paths: A Study in Biology, Ethics, and Art by T. W. Rolleston
  681. Parasiten der Honigbiene / und die durch dieselben bedingten Krankheiten dieses Insects. by Eduard Philibert Assmuss
  682. Parasites: A Treatise on the Entozoa of Man and Animals / Including Some Account of the Ectozoa by T. Spencer Cobbold
  683. Pearls & Parasites by Sir A. E. Shipley
  684. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 by Alexander von Humboldt
  685. Personality of plants by Royal Dixon
  686. Pflanzenleben in Feld und Garten by Arabella B. Buckley
  687. Pharmacographia / A history of the principal drugs of vegetable origin, met with in Great Britain and British India by Friedrich A. Flückiger
  688. Phrenological Development of Robert Burns / From a Cast of His Skull Moulded at Dumfries, the 31st Day of March 1834 by George Combe
  689. Phrenology Examined by P. Flourens
  690. Phylogeny of the Waxwings and Allied Birds by M. Dale Arvey
  691. Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society by Walter Bagehot
  692. Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man / an experimental study by R. H. Chittenden
  693. Physiological Researches on Life and Death by Xavier Bichat
  694. Physiology by Sir M. Foster
  695. Physiology and histology of the Cubomedusæ / including Dr. F.S. Conant's notes on the physiology by E. W. Berger
  696. Piebald rats and selection by William E. Castle
  697. Pioneers of Evolution from Thales to Huxley / With an Intermediate Chapter on the Causes of Arrest of the Movement by Edward Clodd
  698. Pipistrellus cinnamomeus Miller 1902 Referred to the Genus Myotis by E. Raymond Hall
  699. Plague / Its Cause and the Manner of its Extension, Its Menace, Its Control and Suppression, Its Diagnosis and Treatment by Thomas Wright Jackson
  700. Plants Poisonous to Live Stock by Harold Cecil Long
  701. Pleistocene Bats from San Josecito Cave, Nuevo Leon, Mexico by J. Knox Jones
  702. Pleistocene Pocket Gophers From San Josecito Cave, Nuevo Leon, Mexico by Robert J. Russell
  703. Pliocene and Pleistocene Records of Fossil Turtles from Western Kansas and Oklahoma / University of Kansas Publications Museum of Natural History Volume 1 by Edwin C. Galbreath
  704. Poisonous Dwellers of the Desert by Natt N. Dodge
  705. Poisonous Snakes of Kansas by Robert F. Clarke
  706. Poisonous Snakes of Texas and First Aid Treatment of Their Bites / Bulletin No. 31 by John E. Werler
  707. Popular Books on Natural Science / For Practical Use in Every Household, for Readers of All Classes by Aaron David Bernstein
  708. Popular Lectures on Zoonomia / Or The Laws of Animal Life, in Health and Disease by Thomas Garnett
  709. Poultry diseases / Causes, symptoms and treatment, with notes on post-mortem examinations by E. J. Wortley
  710. Practical Skunk Raising / A Book of Information Concerning the Raising of Skunks for Profit by William Edwin Pratt
  711. Prehistoric man by W. L. H. Duckworth
  712. Problems of Genetics by William Bateson
  713. Proefnemingen van de particuliere beweeging der spieren in de kikvorsch by Jan Swammerdam
  714. Prof. Koch's Method to Cure Tuberculosis Popularly Treated by Max Birnbaum
  715. Profitable poultry by W. B. Tegetmeier
  716. Proserpina, Volume 1 / Studies of Wayside Flowers, While the Air was Yet Pure Among the Alps and in the Scotland and England Which My Father Knew by John Ruskin
  717. Q. E. D., or New Light on the Doctrine of Creation by George McCready Price
  718. Quadrupeds, What They Are and Where Found: A Book of Zoology for Boys by Mayne Reid
  719. Rapport sur un voyage botanique en Algérie, de Philippeville à Biskra et dans les Monts Aurès, entrepris en 1853 sous le patronage du Ministère de la guerre by E. Cosson
  720. Rapport sur une mission botanique exécutée en 1884 dans la région saharienne, au nord des grands chotts et dans les îles de la côte orientale de la Tunisie by Napoléon Doumet-Adanson
  721. Records of Harvest Mice, Reithrodontomys, from Central America, with Description of a New Subspecies from Nicaragua by Sydney Anderson
  722. Recuerdos de mi vida (tomo 2 de 2) by Santiago Ramón y Cajal
  723. Rede, gehalten bei der Eröffnung der Versammlung deutscher Naturforscher und Ärzte in Berlin, am 18. September 1828 by Alexander von Humboldt
  724. Reflections on the Decline of Science in England, and on Some of Its Causes by Charles Babbage
  725. Regeneration by Thomas Hunt Morgan
  726. Reis door Noord Amerika by Pehr Kalm
  727. Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4. by Alexander von Humboldt
  728. Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time by Sir John William Dawson
  729. Report on the Migration of Birds in the Autumn of 1879. [First Report] by J. A. Harvie-Brown
  730. Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report by J. A. Harvie-Brown
  731. Report on the Migration of Birds in the Spring and Autumn of 1883. Fifth Report by J. A. Harvie-Brown
  732. Report on the Migration of Birds in the Spring and Autumn of 1886. Eighth Report / (Vol. II, No. 3.) by J. A. Harvie-Brown
  733. Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII by Ernst Haeckel
  734. Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII by Ernst Haeckel
  735. Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII by Ernst Haeckel
  736. Reprint of Two Tracts / 1. An essay on gleets. 2. An enquiry into the nature, cause, and cure of a singular disease of the eyes by Jean Paul Marat
  737. Reptiles and Birds / A Popular Account of Their Various Orders, With a Description of the Habits and Economy of the Most Interesting by Louis Figuier
  738. Researches on the Visual Organs of the Trilobites by Gustaf Lindström
  739. Response in the Living and Non-Living by Jagadis Chandra Bose
  740. Rodent Control Aided by Emergency Conservation Work by Stanley Paul Young
  741. Rollo's Experiments by Jacob Abbott
  742. Rudiments of Conchology / Intended as a familiar introduction to the science. by Mary Anne Venning
  743. Rust, Smut, Mildew, & Mould: An Introduction to the Study of Microscopic Fungi by M. C. Cooke
  744. Ruumiin elimistä ja niiden toimista by J. A. Palmén
  745. Schenk's Theory: The Determination of Sex by Samuel Leopold Schenk
  746. Schutz- und Trutzbündnisse in der Natur by Wilhelm Bölsche
  747. Science & Education: Essays by Thomas Henry Huxley
  748. Science from an Easy Chair by Sir E. Ray Lankester
  749. Science in Arcady by Grant Allen
  750. Scientific Essays and Lectures by Charles Kingsley
  751. Scurvy, Past and Present by Alfred F. Hess
  752. Sea-Weeds, Shells and Fossils by Peter Gray
  753. Seaside Studies in Natural History. Marine Animals of Massachusetts Bay. Radiates. by Elizabeth Cabot Cary Agassiz
  754. Secrets of Earth and Sea by Sir E. Ray Lankester
  755. Section Cutting and Staining / A practical introduction to histological methods for students and practitioners by Walter S. Colman
  756. Section-Cutting / A Practical Guide to the Preparation and Mounting of Sections for the Microscope, Special Prominence Being given to the Subject of Animal Sections by Sylvester Marsh
  757. Seed Dispersal by W. J. Beal
  758. Select Specimens of Natural History Collected in Travels to Discover the Source of the Nile. Volume 5. by James Bruce
  759. Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone by E. Raymond Hall
  760. Sex-linked Inheritance in Drosophila by Thomas Hunt Morgan
  761. Sir Jagadis Chunder Bose, His Life and Speeches by Jagadis Chandra Bose
  762. Sir William Flower by Richard Lydekker
  763. Sketches of the Natural History of Ceylon by Sir James Emerson Tennent
  764. Snakes: Curiosities and Wonders of Serpent Life by Catherine Cooper Hopley
  765. Social Life in the Insect World by Jean-Henri Fabre
  766. Some Common Birds in Their Relation to Agriculture by F. E. L. Beal
  767. Some Common Birds Useful to the Farmer (1915 edition) by F. E. L. Beal
  768. Some Common Birds Useful to the Farmer (1926 edition) by F. E. L. Beal
  769. Some possible bearings of genetics on pathology by Thomas Hunt Morgan
  770. Souvenirs entomologiques - Livre I / Étude sur l'instinct et les moeurs des insectes by Jean-Henri Fabre
  771. Species and Varieties, Their Origin by Mutation by Hugo de Vries
  772. Species Plantarum, Sections I-III by Carl von Linné
  773. Species Plantarum, Sections IV-V by Carl von Linné
  774. Species Plantarum, Sections VI-X by Carl von Linné
  775. Species Plantarum, Sections XI-XIII by Carl von Linné
  776. Sphinx Vespiformis: An Essay by Edward Newman
  777. Spiders by Cecil Warburton
  778. Straußenpolitik by Th. Zell
  779. Stray Feathers From a Bird Man's Desk by Austin Loomer Rand
  780. Structure and Functions of the Body / A Hand-Book of Anatomy and Physiology for Nurses and Others Desiring a Practical Knowledge of the Subject by Annette Fiske
  781. Student's Hand-book of Mushrooms of America, Edible and Poisonous by Thomas Taylor
  782. Studies in the Evolutionary Psychology of Feeling by Hiram Miner Stanley
  783. Studies in the Theory of Descent (Volumes 1 and 2) by August Weismann
  784. Studies in the Theory of Descent, Volume I by August Weismann
  785. Studies in the Theory of Descent, Volume II by August Weismann
  786. Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. by George Francis Atkinson
  787. Studies of Birds Killed in Nocturnal Migration by Harrison Bruce Tordoff
  788. Studies of trees in winter by Annie Oakes Huntington
  789. Subspeciation in the Meadow Mouse, Microtus montanus, in Wyoming and Colorado by Sydney Anderson
  790. Subspeciation in the Meadow Mouse, Microtus pennsylvanicus, in Wyoming, Colorado, and Adjacent Areas by Sydney Anderson
  791. Summer Birds From the Yucatan Peninsula, Mexico by Erwin E. Klaas
  792. Suomen maan Meripedot: maalikuvilla selitetyt by Gustaf Erik Eurén
  793. Supplement to Harvesting Ants and Trap-Door Spiders by John Traherne Moggridge
  794. Supplement to the catalogue of seals and whales in the British Museum by John Edward Gray
  795. Sweet-Clover Seed by H. S. Coe
  796. Syndrome by Thomas Hoover
  797. Systematic Status of a South American Frog, Allophryne ruthveni Gaige by John D. Lynch
  798. Systematic Status of the Colubrid Snake, Leptodeira discolor Günther by William Edward Duellman
  799. Säugethiere vom Celebes- und Philippinen-Archipel by Adolf Bernhard Meyer
  800. Taboo and genetics by Melvin M. Knight
  801. Taxonomic Notes on Mexican Bats of the Genus Rhogeëssa by E. Raymond Hall
  802. Taxonomic Status of Some Mice of The Peromyscus boylii Group in Eastern Mexico, With Description of a New Subspecies by Ticul Alvarez
  803. Taxonomy of the Chipmunks, Eutamias quadrivittatus and Eutamias umbrinus by John A. White
  804. Territory in Bird Life by Henry Eliot Howard
  805. Texas Honey Plants by Charles Emerson Sanborn
  806. Text Book of Biology, Part 1: Vertebrata by H. G. Wells
  807. Text book of veterinary medicine, Volume 1 (of 5) by James Law
  808. Text book of veterinary medicine, Volume 3 (of 5) by James Law
  809. Text book of veterinary medicine, Volume 4 (of 5) by James Law
  810. The Academic Gregories by Agnes Grainger Stewart
  811. The alligator and its allies by A. M. Reese
  812. The Amphibians and Reptiles of Michoacán, México by William Edward Duellman
  813. The Anatomy of Vegetables Begun / With a General Account of Vegetation founded thereon by Nehemiah Grew
  814. The Ancient Life History of the Earth / A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science by Henry Alleyne Nicholson
  815. The Animal Parasites of Man by Harold Benjamin Fantham
  816. The apiary; or, bees, bee-hives, and bee culture [1865] / Being a familiar account of the habits of bees, and the most improved methods of management, with full directions, adapted for the cottager, farmer, or scientific apiarian by Alfred Neighbor
  817. The apiary; or, bees, bee-hives, and bee culture [1866] / Being a familiar account of the habits of bees, and the most improved methods of management, with full directions, adapted for the cottager, farmer, or scientific apiarian by Alfred Neighbor
  818. The apiary; or, bees, bee-hives, and bee culture [1878] / being a familiar account of the habits of bees, and the most improved methods of management by Alfred Neighbor
  819. The Appendages, Anatomy, and Relationships of Trilobites by Percy E. Raymond
  820. The Atom and the Ocean by E. W. Seabrook Hull
  821. The attitudes of animals in motion, illustrated with the zoopraxiscope by Eadweard Muybridge
  822. The Autobiography of Charles Darwin by Charles Darwin
  823. The Avifauna of Micronesia, Its Origin, Evolution, and Distribution by Rollin H. Baker
  824. The Bacillus of Long Life / A Manual of the Preparation and Souring of Milk for Dietary Purposes, Together with an Historical Account of the Use of Fermented Milks, from the Earliest Times to the Present Day, and Their Wonderful Effect in the Prolonging of Human Existence by Loudon M. Douglas
  825. The Baculum in Microtine Rodents by Sydney Anderson
  826. The Baculum in the Chipmunks of Western North America by John A. White
  827. The Barren Ground Caribou of Keewatin by Francis Harper
  828. The Bedbug [1916] by C. L. Marlatt
  829. The Bedbug [1934] by C. L. Marlatt
  830. The Behavior of the Honey Bee in Pollen Collecting by Dana Brackenridge Casteel
  831. The Biological Problem of To-day: Preformation Or Epigenesis? / The Basis of a Theory of Organic Development by Oscar Hertwig
  832. The Biology, Physiology and Sociology of Reproduction / Also Sexual Hygiene with Special Reference to the Male by Winfield Scott Hall
  833. The Bird Book / Illustrating in natural colors more than seven hundred North American birds; also several hundred photographs of their nests and eggs. by Chester A. Reed
  834. The Bird Study Book by T. Gilbert Pearson
  835. The Birds of Australia, Vol. 1 of 7 by John Gould
  836. The Birds of Australia, Vol. 2 of 7 by John Gould
  837. The Birds of Australia, Vol. 3 of 7 by John Gould
  838. The Birds of Australia, Vol. 4 of 7 by John Gould
  839. The Birds of Australia, Vol. 5 of 7 by John Gould
  840. The birds of Jamaica by Philip Henry Gosse
  841. The Birds of Washington (Volume 1 of 2) / A complete, scientific and popular account of the 372 species of birds found in the state by William Leon Dawson
  842. The book of antelopes, vol. 1 (of 4) by Philip Lutley Sclater
  843. The book of antelopes, vol. 2 (of 4) by Philip Lutley Sclater
  844. The book of antelopes, vol. 3 (of 4) by Philip Lutley Sclater
  845. The book of antelopes, vol. 4 (of 4) by Philip Lutley Sclater
  846. The Book of Love by Paolo Mantegazza
  847. The Book of the Pearl / The history, art, science, and industry of the queen of gems by George Frederick Kunz
  848. The Botanical Magazine, Vol. 01 / Or, Flower-Garden Displayed by William Curtis
  849. The Botanical Magazine, Vol. 02 / Or, Flower-Garden Displayed by William Curtis
  850. The Botanical Magazine, Vol. 03 / Or, Flower-Garden Displayed by William Curtis
  851. The Botanical Magazine, Vol. 05 / Or, Flower-Garden Displayed by William Curtis
  852. The Botanical Magazine, Vol. 06 / Or, Flower-Garden Displayed by William Curtis
  853. The Botanical Magazine, Vol. 07 / Or, Flower-Garden Displayed by William Curtis
  854. The Botanical Magazine, Vol. 08 / Or, Flower-Garden Displayed by William Curtis
  855. The Botanical Magazine, Vol. 09 / Or, Flower-Garden Displayed by William Curtis
  856. The Botanical Magazine, Vol. 10 / Or, Flower-Garden Displayed by William Curtis
  857. The Botanical Magazine, Vol. 13 / Or, Flower-Garden Displayed by William Curtis
  858. The Botanist's Companion, Volume II / Or an Introduction to the Knowledge of Practical Botany, and the Uses of Plants. Either Growing Wild in Great Britain, or Cultivated for the Puroses of Agriculture, Medicine, Rural Oeconomy, or the Arts by William Salisbury
  859. The Brain and the Voice in Speech and Song by F. W. Mott
  860. The Brain, A Decoded Enigma by Dorin Teodor Moisa
  861. The Breath of Life by John Burroughs
  862. The Breeding Birds of Kansas by Richard F. Johnston
  863. The British Woodlice / Being a Monograph of the Terrestrial Isopod Crustacea Occurring in the British Islands by Wilfred Mark Webb
  864. The Butterflies of the British Isles by Richard South
  865. The Butterfly Book / A Popular Guide to a Knowledge of the Butterflies of North America by W. J. Holland
  866. The Cambridge natural history, Vol. 02 (of 10) by Frank E. Beddard
  867. The Cambridge natural history, Vol. 03 (of 10) by A. H. Cooke
  868. The Cambridge natural history, Vol. 07 (of 10) by George Albert Boulenger
  869. The Cambridge natural history, Vol. 08 (of 10) by Hans Gadow
  870. The Cambridge natural history, Vol. 10 (of 10) by Frank E. Beddard
  871. The Chain of Life in Geological Time / A Sketch of the Origin and Succession of Animals and Plants by Sir John William Dawson
  872. The Chemistry of Plant Life by Roscoe Wilfred Thatcher
  873. The cherries of New York by U. P. Hedrick
  874. The Child's Book of Nature / Three parts in one by Worthington Hooker
  875. The Coming of Evolution: The Story of a Great Revolution in Science by John W. Judd
  876. The Common Spiders of the United States by J. H. Emerton
  877. The Conchologist's First Book / A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science. by Edgar Allan Poe
  878. The Conditions of Existence as Affecting the Perpetuation of Living Beings / Lecture V. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  879. The Courtship of Animals by W. P. Pycraft
  880. The Crayfish: An Introduction to the Study of Zoology. by Thomas Henry Huxley
  881. The cretaceous birds of New Jersey by Storrs L. Olson
  882. The Cubomedusæ by Franklin Story Conant
  883. The Dancing Mouse: A Study in Animal Behavior by Robert Mearns Yerkes
  884. The Darwinian Hypothesis by Thomas Henry Huxley
  885. The Dawn of Reason; or, Mental Traits in the Lower Animals by Jr. James Weir
  886. The Descent of Man and Selection in Relation to Sex, Vol. I by Charles Darwin
  887. The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition) by Charles Darwin
  888. The Descent of Man, and Selection in Relation to Sex by Charles Darwin
  889. The Deseado Formation of Patagonia by Frederic Brewster Loomis
  890. The Destiny of Man, Viewed in the Light of His Origin by John Fiske
  891. The Diatomaceæ of Philadelphia and Vicinity by Charles S. Boyer
  892. The Different Forms of Flowers on Plants of the Same Species by Charles Darwin
  893. The Dinosaur Quarry. Dinosaur National Monument, Colorado-Utah by John M. Good
  894. The Doctrine of Evolution: Its Basis and Its Scope by Henry Edward Crampton
  895. The Dog by William Youatt
  896. The Dolphin in History by Ashley Montagu
  897. The Domestic Cat by Gordon Stables
  898. The Dwelling House by George Vivian Poore
  899. The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom by Charles Darwin
  900. The Elements of Agriculture / A Book for Young Farmers, with Questions Prepared for the Use of Schools by George E. Waring
  901. The Elements of Bacteriological Technique / A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by J. W. H. Eyre
  902. The Elements of Botany, For Beginners and For Schools by Asa Gray
  903. The English moths and butterflies by Benjamin Wilkes
  904. The Essentials of Illustration / A Practical Guide to the Reproduction of Drawings & Photographs for the Use of Scientists & Others by Thomas George Hill
  905. The ethics of Hercules by Robert Chenault Givler
  906. The Evolution of Man by Ernst Haeckel
  907. The Evolution of Man Scientifically Disproved in 50 Arguments by William A. Williams
  908. The Evolution of Man — Volume 1 by Ernst Haeckel
  909. The Evolution of Man — Volume 2 by Ernst Haeckel
  910. The Evolution Theory, Vol. 1 of 2 by August Weismann
  911. The Evolutionist at Large by Grant Allen
  912. The Expression of the Emotions in Man and Animals by Charles Darwin
  913. The Factors of Organic Evolution by Herbert Spencer
  914. The Fairy-Land of Science by Arabella B. Buckley
  915. The Fantastic Clan: The Cactus Family by J. J. Thornber
  916. The Farmer's Veterinarian: A Practical Treatise on the Diseases of Farm Stock by Charles William Burkett
  917. The fauna of the deep sea by Sydney J. Hickson
  918. The Flea by Harold Russell
  919. The flowering plants of Africa / An analytical key to the genera of African phanerograms by Franz Thonner
  920. The flowering plants of South Africa; vol. 3 by I. B. Pole Evans
  921. The flowering plants of South Africa; vol. 4 by I. B. Pole Evans
  922. The flowering plants of South Africa; vol. 5 by I. B. Pole Evans
  923. The Foot-prints of the Creator by Hugh Miller
  924. The Forest Habitat of the University of Kansas Natural History Reservation by Henry S. Fitch
  925. The Forests of Mount Rainier National Park by G. F. Allen
  926. The Formation of Vegetable Mould Through the Action of Worms / With Observations on Their Habits by Charles Darwin
  927. The Foundations of the Origin of Species / Two Essays written in 1842 and 1844 by Charles Darwin
  928. The Fundamentals of Bacteriology by Charles Bradfield Morrey
  929. The Genera of Phyllomedusine Frogs (Anura: Hylidae) by William Edward Duellman
  930. The genetic and the operative evidence relating to secondary sexual characters by Thomas Hunt Morgan
  931. The Genetic Effects of Radiation by Isaac Asimov
  932. The Genus Pinus by George Russell Shaw
  933. The Geographical Distribution of Animals, Volume 1 / With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface by Alfred Russel Wallace
  934. The Geographical Distribution of Animals, Volume 2 / With a study of the relations of living and extinct faunas as elucidating the past changes of the Earth's surface by Alfred Russel Wallace
  935. The Geological History of Plants by Sir John William Dawson
  936. The giant sequoia by Rodney Sydes Ellsworth
  937. The Glands Regulating Personality / A Study of the Glands of Internal Secretion in Relation to the Types of Human Nature by Louis Berman
  938. The Glow-Worm and Other Beetles by Jean-Henri Fabre
  939. The Gospel of Evolution / From "The Atheistic Platform", Twelve Lectures by Edward B. Aveling
  940. The grapes of New York by U. P. Hedrick
  941. The Harvest of the Sea / A contribution to the natural and economic history of the British food fishes by James Glass Bertram
  942. The heart of Africa, Vol. 1 (of 2) by Georg August Schweinfurth
  943. The history of a mouthful of bread by Jean Macé
  944. The History of Creation, Vol. 1 (of 2) / Or the Development of the Earth and its Inhabitants by the Action of Natural Causes by Ernst Haeckel
  945. The History of Creation, Vol. 2 (of 2) / Or the Development of the Earth and its Inhabitants by the Action of Natural Causes by Ernst Haeckel
  946. The History of Esculent Fish by Roger North
  947. The History of the European Fauna by R. F. Scharff
  948. The honey bee: a manual of instruction in apiculture by Frank Benton
  949. The Honey-Bee: Its Natural History, Physiology and Management by Edward Bevan
  950. The honey-bee: its nature, homes and products by William Hetherington Harris
  951. The Horse's Mouth, Showing the age by the teeth by Edward Mayhew
  952. The House Fly and How to Suppress It by L. O. Howard
  953. The House We Live In; or, The Making of the Body by Vesta J. Farnsworth
  954. The human foot and the human hand by Sir George Murray Humphry
  955. The Human Side of Animals by Royal Dixon
  956. The human species by A. de Quatrefages
  957. The Hunterian lectures on colour-vision and colour-blindness by F. W. Edridge-Green
  958. The Hunting Wasps by Jean-Henri Fabre
  959. The Illustrated Self-Instructor in Phrenology and Physiology by O. S. Fowler
  960. The illustrated story of evolution by Marshall J. Gauvin
  961. The Insect by Jules Michelet
  962. The Insect World / Being a Popular Account of the Orders of Insects; Together with a Description of the Habits and Economy of Some of the Most Interesting Species by Louis Figuier
  963. The Interpreters of Genesis and the Interpreters of Nature / Essay #4 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  964. The Italian Alp-bee; or, The gold mine of husbandry / short and practical instructions to breed genuine prolific Italian queens; to multiply them by hundreds in a few months and how to change German hives into Italian by H. C. Hermann
  965. The ivory king by Charles Frederick Holder
  966. The Kingdom of Man by Sir E. Ray Lankester
  967. The Last Link: Our Present Knowledge of the Descent of Man by Ernst Haeckel
  968. The Life and Love of the Insect by Jean-Henri Fabre
  969. The Life of Crustacea by W. T. Calman
  970. The life of Jean Henri Fabre, the entomologist, 1823-1910 by Augustin Fabre
  971. The life of Pasteur by René Vallery-Radot
  972. The Life of the Bee by Maurice Maeterlinck
  973. The Life of the Caterpillar by Jean-Henri Fabre
  974. The Life of the Fly; With Which are Interspersed Some Chapters of Autobiography by Jean-Henri Fabre
  975. The Life of the Grasshopper by Jean-Henri Fabre
  976. The Life of the Scorpion by Jean-Henri Fabre
  977. The Life of the Spider by Jean-Henri Fabre
  978. The Life of the Weevil by Jean-Henri Fabre
  979. The Life-Story of Insects by George H. Carpenter
  980. The Lights of the Church and the Light of Science / Essay #6 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  981. The little book of British quadrupeds by W. May
  982. The Lives of Celebrated Travellers, Vol. 2 (of 3) by James Augustus St. John
  983. The Making of Species by Douglas Dewar
  984. The Malay Archipelago, Volume 1 / The Land of the Orang-utan and the Bird of Paradise; A Narrative of Travel, with Studies of Man and Nature by Alfred Russel Wallace
  985. The Manual of the Botany of the Northern United States / Including the District East of the Mississippi and North of North Carolina and Tennessee by Asa Gray
  986. The Mason-Bees by Jean-Henri Fabre
  987. The Mason-Wasps by Jean-Henri Fabre
  988. The Meaning of Infancy by John Fiske
  989. The Mechanism of Life by Stéphane Leduc
  990. The Mental Life of Monkeys and Apes: A Study of Ideational Behavior by Robert Mearns Yerkes
  991. The Method by Which the Causes of the Present and Past Conditions of Organic Nature Are to Be Discovered; the Origination of Living Beings / Lecture III. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  992. The Methods and Scope of Genetics / An inaugural lecture delivered 23 October 1908 by William Bateson
  993. The micro-organisms of the soil by Edward J. Russell
  994. The Microscope by Andrew Ross
  995. The Microscope. Its History, Construction, and Application 15th ed. / Being a familiar introduction to the use of the instrument, and the study of microscopical science by Jabez Hogg
  996. The Migration of Birds by T. A. Coward
  997. The Migration of North American Birds (1935) by Frederick Charles Lincoln
  998. The Minds and Manners of Wild Animals: A Book of Personal Observations by William T. Hornaday
  999. The Minor Horrors of War by Sir A. E. Shipley
  1000. The modes of origin of lowest organisms / including a discussion of the experiments of M. Pasteur by H. Charlton Bastian
  1001. The Moths of the British Isles, First Series / Comprising the Families Sphingidæ to Noctuidæ by Richard South
  1002. The Moths of the British Isles, Second Series / Comprising the Families Noctuidæ to Hepialidæ by Richard South
  1003. The Movements and Habits of Climbing Plants by Charles Darwin
  1004. The Myxomycetes of the Miami Valley, Ohio by A. P. Morgan
  1005. The Natural History of Cage Birds / Their Management, Habits, Food, Diseases, Treatment, Breeding, and the Methods of Catching Them. by Johann Matthäus Bechstein
  1006. The Natural History of Chocolate / Being a Distinct and Particular Account of the Cocoa-Tree, its Growth and Culture, and the Preparation, Excellent Properties, and Medicinal Vertues of its Fruit by D. Quélus
  1007. The Natural History of Pliny, Volume 3 (of 6) by the Elder Pliny
  1008. The Natural History of Pliny, Volume 5 (of 6) by the Elder Pliny
  1009. The Natural History of the Tea-Tree, with Observations on the Medical Qualities of Tea, and on the Effects of Tea-Drinking by John Coakley Lettsom
  1010. The Natural History of the Varieties of Man by R. G. Latham
  1011. The Natural Philosophy of Love by Remy de Gourmont
  1012. The Naturalist in Nicaragua by Thomas Belt
  1013. The Naturalist on the River Amazons by Henry Walter Bates
  1014. The Naturalist's Repository, Volume 1 (of 5) / or Monthly Miscellany of Exotic Natural History: etc. etc. by E. Donovan
  1015. The Nature of Animal Light by E. Newton Harvey
  1016. The Nests and Eggs of Indian Birds, Volume 1 by Allan Octavian Hume
  1017. The North American Slime-Moulds / A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by Thomas H. Macbride
  1018. The Notebooks of Leonardo Da Vinci — Complete by da Vinci Leonardo
  1019. The Nursery-Book: A Complete Guide to the Multiplication and Pollination of Plants by L. H. Bailey
  1020. The Ocean World: Being a Description of the Sea and Its Living Inhabitants. by Louis Figuier
  1021. The octopus by Henry Lee
  1022. The Orchid Album, Volume 3 / Comprising Coloured Figures and Descriptions of New, Rare, and Beautiful Orchidaceous Plants by Thomas Moore
  1023. The Organism as a Whole, from a Physicochemical Viewpoint by Jacques Loeb
  1024. The Origin of Species / From 'The Westminster Review', April 1860 by Thomas Henry Huxley
  1025. The Origin of Species by Means of Natural Selection / Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition by Charles Darwin
  1026. The Origin of Vertebrates by Walter Holbrook Gaskell
  1027. The Ornithosauria / An elementary study of the bones of Pterodactyles made from fossil remains found in the Cambridge Upper Greensand, and arranged in the Woodwardian Museum of the University of Cambridge by H. G. Seeley
  1028. The Outline of Science, Vol. 1 (of 4) / A Plain Story Simply Told by J. Arthur Thomson
  1029. The Past Condition of Organic Nature / Lecture II. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  1030. The pathology of influenza by M. C. Winternitz
  1031. The pears of New York by U. P. Hedrick
  1032. The Pecan and its Culture by H. Harold Hume
  1033. The Perpetuation of Living Beings, Hereditary Transmission and Variation / Lecture IV. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  1034. The philosophy of biology by James Johnstone
  1035. The Philosophy of Health; Volume 1 (of 2) / or, an exposition of the physical and mental constitution of man by Southwood Smith
  1036. The Philosophy of Health; Volume 2 (of 2) / or, an exposition of the physical and mental constitution of man by Southwood Smith
  1037. The Philosophy Which Shows the Physiology of Mesmerism and Explains the Phenomenon of Clairvoyance by T. H. Pasley
  1038. The Physical Basis of Mind / Being the Second Series of Problems of Life and Mind. by George Henry Lewes
  1039. The Plants of Michigan / Simple Keys for the Identification of the Native Seed Plants of the State by Henry A. Gleason
  1040. The Pleistocene of North America / and its vertebrated animals from the states east of the Mississippi River and from the Canadian provinces east of longitude 95° by Oliver Perry Hay
  1041. The plums of New York by U. P. Hedrick
  1042. The plurality of the human race by G. Pouchet
  1043. The Pocket Gophers (Genus Thomomys) of Utah / University of Kansas Publications, Museum of Natural History, Vol. 1 No. 1 by Stephen David Durrant
  1044. The Power of Movement in Plants by Charles Darwin
  1045. The preparation & mounting of microscopic objects by Thomas Davies
  1046. The Preparation of Bees for Outdoor Wintering by Everett Franklin Phillips
  1047. The Present Condition of Organic Nature / Lecture I. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" by Thomas Henry Huxley
  1048. The Principal Species of Wood: Their Characteristic Properties / First Edition by Charles H. Snow
  1049. The Principles of Biology, Volume 1 (of 2) by Herbert Spencer
  1050. The Principles of Biology, Volume 2 (of 2) by Herbert Spencer
  1051. The Principles of Breeding / or, Glimpses at the Physiological Laws involved in the Reproduction and Improvement of Domestic Animals by S. L. Goodale
  1052. The Prolongation of Life: Optimistic Studies by Elie Metchnikoff
  1053. The Pros and Cons of Vivisection by Charles Richet
  1054. The puzzle of life and how it has been put together by Arthur Nicols
  1055. The Reason Why / A Careful Collection of Many Hundreds of Reasons for Things Which, Though Generally Believed, Are Imperfectly Understood by Robert Kemp Philp
  1056. The Recent Mammals of Tamaulipas, México by Ticul Alvarez
  1057. The Riddle of the Universe at the close of the nineteenth century by Ernst Haeckel
  1058. The Rise and Progress of Palaeontology / Essay #2 from "Science and Hebrew Tradition" by Thomas Henry Huxley
  1059. The Rocky Mountain Goat by Madison Grant
  1060. The romance of insect life by Edmund Selous
  1061. The Romance of Natural History, Second Series by Philip Henry Gosse
  1062. The Romance of Plant Life / Interesting Descriptions of the Strange and Curious in the Plant World by G. F. Scott Elliot
  1063. The romance of the animal world by Edmund Selous
  1064. The Romance of the Microscope / An interesting description of its uses in all branches of science, industry, agriculture, and in the detection of crime, with a short account of its origin, history, and development by C. A. Ealand
  1065. The run by John Hay
  1066. The Sacred Beetle, and Others by Jean-Henri Fabre
  1067. The Salmon Fishery of Penobscot Bay and River in 1895-96 by Hugh M. Smith
  1068. The Science of Animal Locomotion (Zoopraxography) / An Electro-Photographic Investigation of Consecutive Phases of Animal Movements by Eadweard Muybridge
  1069. The Scientific Evidences of Organic Evolution by George John Romanes
  1070. The Sea and Its Living Wonders / A Popular Account of the Marvels of the Deep and of the Progress of Martime Discovery from the Earliest Ages to the Present Time by G. Hartwig
  1071. The Sea Shore by William S. Furneaux
  1072. The Sea-beach at Ebb-tide / A Guide to the Study of the Seaweeds and the Lower Animal Life Found Between Tide-marks by Augusta Foote Arnold
  1073. The Sense of Taste by Harry L. Hollingworth
  1074. The Snakes of Europe by George Albert Boulenger
  1075. The Social Direction of Evolution: An Outline of the Science of Eugenics by William E. Kellicott
  1076. The Speech of Monkeys by R. L. Garner
  1077. The Stock-Feeder's Manual / the chemistry of food in relation to the breeding and feeding of live stock by Sir Charles Alexander Cameron
  1078. The Story of Creation as Told By Theology and By Science by T. S. Ackland
  1079. The Story of Evolution by Joseph McCabe
  1080. The Story of Germ Life by H. W. Conn
  1081. The Story of Milk by Johan Ditlev Frederiksen
  1082. The Story of the Living Machine / A Review of the Conclusions of Modern Biology in Regard / to the Mechanism Which Controls the Phenomena of Living / Activity by H. W. Conn
  1083. The Story-book of Science by Jean-Henri Fabre
  1084. The Structure and Habits of Spiders by J. H. Emerton
  1085. The Structure and Life-history of the Cockroach (Periplaneta orientalis) / An Introduction to the Study of Insects by L. C. Miall
  1086. The Study of Plant Life by Marie Carmichael Stopes
  1087. The Subspecies of the Mountain Chickadee by Joseph Grinnell
  1088. The Subspecific Status of Two Central American Sloths by E. Raymond Hall
  1089. The suppression of tuberculosis / by Emil von Behring
  1090. The Systematic Status of Eumeces pluvialis Cope by Hobart M. Smith
  1091. The Tadpoles of Bufo cognatus Say by Hobart M. Smith
  1092. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality by Rudolf Schmid
  1093. The Tower Menagerie by Edward Turner Bennett
  1094. The Toxicity of Caffein: An experimental study on different species of animals by William Salant
  1095. The Tropical World / Aspects of man and nature in the equatorial regions of the globe. by G. Hartwig
  1096. The Underworld of Oregon Caves National Monument by Roger J. Contor
  1097. The Universal Kinship by J. Howard Moore
  1098. The useful trees of northern Nigeria by Hugh Vandervaes Lely
  1099. The Variation of Animals and Plants under Domestication by Charles Darwin
  1100. The Variation of Animals and Plants under Domestication — Volume 1 by Charles Darwin
  1101. The Variation of Animals and Plants under Domestication — Volume 2 by Charles Darwin
  1102. The Variation of Animals and Plants Under Domestication, Vol. I. by Charles Darwin
  1103. The Variation of Animals and Plants Under Domestication, Volume II (of 2) by Charles Darwin
  1104. The Vertebrate Skeleton by Sidney H. Reynolds
  1105. The Virtue and Use of Coffee With Regard to the Plague and Other Infectious Distempers by Richard Bradley
  1106. The Vitamine Manual by Walter Hollis Eddy
  1107. The Voyage of the Beagle by Charles Darwin
  1108. The Whence and the Whither of Man / A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by John M. Tyler
  1109. The Wild Elephant and the Method of Capturing and Taming it in Ceylon by Sir James Emerson Tennent
  1110. The winners in life's race by Arabella B. Buckley
  1111. The Wonders of Instinct: Chapters in the Psychology of Insects by Jean-Henri Fabre
  1112. The Wonders of Life: A Popular Study of Biological Philosophy by Ernst Haeckel
  1113. The works of Francis Maitland Balfour, Volume 1 (of 4) by Francis M. Balfour
  1114. The works of Francis Maitland Balfour, Volume 2 (of 4) by Francis M. Balfour
  1115. The works of Francis Maitland Balfour, Volume 3 (of 4) by Francis M. Balfour
  1116. The works of Francis Maitland Balfour, Volume 4 (of 4) by Francis M. Balfour
  1117. The Works of William Harvey M.D. / Translated from the Latin with a life of the author by William Harvey
  1118. The zoology of the voyage of H.M.S. Beagle [vol. 1 of 5] by Richard Owen
  1119. The zoology of the voyage of H.M.S. Beagle [vol. 3 of 5] by John Gould
  1120. Theory of circulation by respiration by Emma Willard
  1121. Thomas Henry Huxley; A Sketch Of His Life And Work by Sir P. Chalmers Mitchell
  1122. Thoughts on Religion by George John Romanes
  1123. Three New Beavers from Utah by Stephen David Durrant
  1124. Through a Microscope / Something of the Science, Together with many Curious Observations Indoor and Out and Directions for a Home-made Microscope. by Samuel Wells
  1125. Through a pocket lens by Henry Scherren
  1126. Through Magic Glasses and Other Lectures / A Sequel to The Fairyland of Science by Arabella B. Buckley
  1127. Time and Change by John Burroughs
  1128. Time and Life: Mr. Darwin's "Origin of Species" by Thomas Henry Huxley
  1129. Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc. by Charles McIlvaine
  1130. Tobacco; Its History, Varieties, Culture, Manufacture and Commerce by E. R. Billings
  1131. Travels in Peru and India / While Superintending the Collection of Chinchona Plants and Seeds in South America, and Their Introduction into India. by Sir Clements R. Markham
  1132. Travels into North America, Volume 2 (of 3) by Pehr Kalm
  1133. Travels into North America, Volume 3 (of 3) by Pehr Kalm
  1134. Travels on the Amazon by Alfred Russel Wallace
  1135. Treatise on the Anatomy and Physiology of the Mucous Membranes / With Illustrative Pathological Observations by Xavier Bichat
  1136. Trees of Indiana / First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana) by Charles Clemon Deam
  1137. Trees of the Northern United States / Their Study, Description and Determination by A. C. Apgar
  1138. Trees: A Woodland Notebook / Containing Observations on Certain British and Exotic Trees by Sir Herbert Maxwell
  1139. Two New Meadow Mice from Michoacán Mexico by E. Raymond Hall
  1140. Two New Moles (Genus Scalopus) from Mexico and Texas by Rollin H. Baker
  1141. Two New Pocket Gophers from Wyoming and Colorado by E. Raymond Hall
  1142. Type specimens of amphibians and reptiles in the Museum of Natural History, the University of Kansas by William Edward Duellman
  1143. Uit de dierenwereld van het water / Schetsen in woord en beeld van het lever der lagere diersoorten by A. J. C. Snijders
  1144. Unconscious Memory by Samuel Butler
  1145. Unsere Haustiere vom Standpunkte ihrer wilden Verwandten by Th. Zell
  1146. Use of the Dead to the Living by Southwood Smith
  1147. Useful Knowledge: Volume 2. Vegetables / Or, a familiar account of the various productions of nature by William Bingley
  1148. Useful Knowledge: Volume 3. Animals / Or, a familiar account of the various productions of nature by William Bingley
  1149. Vegetable Teratology / An Account of the Principal Deviations from the Usual Construction of Plants by Maxwell T. Masters
  1150. Venomous arthropod handbook by Terry L. Biery
  1151. Vestiges of the Natural History of Creation by Robert Chambers
  1152. Vivisection by Albert Leffingwell
  1153. Von Sonnen und Sonnenstäubchen by Wilhelm Bölsche
  1154. Warum wir sterben by Alejandro Lipschütz
  1155. Was Man Created? by Henry A. Mott
  1156. Wasps, Social and Solitary by George W. Peckham
  1157. Water Reptiles of the Past and Present by Samuel Wendell Williston
  1158. Wayside and Woodland Trees: A pocket guide to the British sylva by Edward Step
  1159. Westafrikanische Kautschuk-Expedition by Rudolf Schlechter
  1160. Whale hunting with gun and camera / A naturalist's account of the modern shore-whaling industry, of whales and their habits, and of hunting experiences in various parts of the world by Roy Chapman Andrews
  1161. Whale Primer, with Special Attention to the California Gray Whale by Theodore J. Walker
  1162. What is Darwinism? by Charles Hodge
  1163. Which Shall Live—Men or Animals? by Ernest Harold Baynes
  1164. Wild Animals of North America / Intimate Studies of Big and Little Creatures of the Mammal Kingdom by Edward William Nelson
  1165. Wild Flowers / An Aid to Knowledge of Our Wild Flowers and Their Insect Visitors by Neltje Blanchan
  1166. William Harvey and the Discovery of the Circulation of the Blood by Thomas Henry Huxley
  1167. Wintering Bees in Cellars by Everett Franklin Phillips
  1168. Within the Deep / Cassell's "Eyes and No Eyes" Series, Book VIII. by R. Cadwallader Smith
  1169. Woher die Kindlein kommen by Hans Hoppeler
  1170. Woman and Womanhood: A Search for Principles by C. W. Saleeby
  1171. Woman in Science / With an Introductory Chapter on Woman's Long Struggle for Things of the Mind by J. A. Zahm
  1172. Wood and Forest by William Noyes
  1173. Yeast by Thomas Henry Huxley
  1174. Zeugnisse für die Stellung des Menschen in der Natur by Thomas Henry Huxley
  1175. Zoological Illustrations, Second Series, Volume 1 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1176. Zoological Illustrations, Second Series, Volume 2 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1177. Zoological Illustrations, Second Series, Volume 3 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1178. Zoological Illustrations, Volume 1 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1179. Zoological Illustrations, Volume 2 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1180. Zoological Illustrations, Volume 3 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals by William Swainson
  1181. Zoonomia; Or, the Laws of Organic Life, Vol. I by Erasmus Darwin
  1182. Zoölogy: The Science of Animal Life / Popular Science Library, Volume XII (of 16), P. F. Collier & Son Company, 1922 by Ernest Ingersoll
  1183. Zwischen Pol und Äquator: Tiergeographische Lebensbilder by Kurt Floericke
  1184. Études sur la flore du Sénégal by Joseph Vallot
  1185. Über den Bildungstrieb by Johann Friedrich Blumenbach
  1186. Über die Entstehung der Arten im Thier- und Pflanzen-Reich durch natürliche Züchtung by Charles Darwin
  1187. Über die Vulkane im Monde by Immanuel Kant
  1188. Μικρά Φυσικά, Τόμος Δεύτερος by Aristotle
  1189. Μικρά Φυσικά, Τόμος Πρώτος by Aristotle