116, 496
— — — of Filaria perstans, 508
— — — of spirochæte of relapsing fever, 508
— — geographical distribution, 509
— — immunity against infection with Spirochæta duttoni, 119
— — length of life apart from host, 495
— — Malpighian secretion passed by, significance, 117
— — transmission of Spirochæta duttoni by, 116
— savignyi, 509
— — geographical distribution, 509
— — transmitting Spirochæta duttoni, 739
— synopsis of genus, 508
— talaje, 119
— — bite of, 509
— — geographical distribution, 509
— tholozani, geographical distribution, 510
— turicata, 119
— — bite of, effects, 509
Ornithomyia lagopodis, bite of, 611
Orthoptera, characters, 531
Otter, Brazilian, host of Paragonimus rudis, 251
Ova, transmission of intestinal worms by, 11
— see also under Names of parasites
Owen, Trichina spiralis, 423
Ox, liver of, Echinococcus multilocularis in, 357
— Sarcocystis blanchardi from, 190
— gad fly (Tabanus bovinus), 601
Oxazine producing blepharoplastless trypanosomes, 101
Oxen, amount of prevalence of Cysticercus bovis in, 340, 341
— echinococci in, 346
— how infected with Paramphistomum cervi, 226
Oxygen necessary in cultivation of spirochætes, 123
Oxyuriasis, diagnosis, 696
— dysentery followed by recovery from, 698
— in children, 695
— — — treatment, 697, 698
— prophylaxis against, 697
— treatment by drugs and purgatives, 697
— — local, 697
Oxyuridæ, 467
— migrating into nose, 695, 696
— morphology, 375
— relationship to appendicitis, 698
Oxyuris, 467
— ambigua, 469
— compar, 469
— curvula, 469
— encapsuled in female pelvis, 657
— in appendix, 654, 655
— infection in relation to appendicitis, 653
— invading peritoneal cavity, 657
— lacks intermediate host, 21
— mastigodes, 469
— poculum, 469
— tenuicauda, 469
— toxic action of, 651
— vermicularis, association with appendicitis and typhlitis, 467
— — development, 468
— — — direct, 469
— — experimental self-infection with, 469
— — habitat, 467
— — infection by, 694
— — — with, mode of, 469
— — larvæ of, found in nose, 469
— — life-history of, 467, 468, 469
— — males rarely met with in fæces, 468
— — migration from intestine, lesions and symptoms of irritation set up by, 694, 695
— — — of, in and from intestinal tract, 467
— — morphology, 467
— — ova of, where deposited, 467
— — supposed origin of, 11
Oyster, spirochæte of, 114
Ozæna, connection of nasal myiasis with, 717, 722, 723

P.
Page, case of escape, of ascarides from abdominal operation wound, 654, 655
Paget, observation of encapsuled Trichinellæ, 423
Pallas, on transmission of intestinal worms, 11
Panama, larvicide used at, in campaign against mosquitoes, 636
— Canal, Stegomyia fasciata source of danger to, 574
Pani-ghao, skin affection set up by penetration of larvæ of Ancylostomum duodenale, 455
Panoplites, 577
Pansporoblast, 183, 186
Papataci fever, carrying agent of, 582
Pappenheim’s panchrome mixture, 751
Paraboloid condenser, 747
Paraffin, embedding in, for sectioning tissue parasitized by protozoa, 749
Paragonimiasis, 639
— affecting regions other than lung, 639
— prophylaxis, 640
— see also Lung-fluke disease
Paragonimus, morphology, 249
— compactus, host of, 251
— kellicotti, hosts of, 250
— — spines of, 251
— ringeri (lung-fluke), 639
— — development, 251
— — diseases caused by, 251
— — habitat, 251
— — internal organs, diagram illustrating, 250
— — morphology, 249, 250
— — sites of body in which found post mortem, 639
— — spines of, 251
— — synonyms, 249
— rudis, host of, 251
— westermannii, host of, 250
— — morphology, diagram illustrating, 250
— — spines of, 251
Paraguay, supposed mode of transmission of dermo-mucosal leishmaniasis in, 739
Paralysis due to tick bites, 613
— — — — geographical distribution, 613
— of dourine, 97
Paramœba, 44
— hominis, 45, 734
— — characters of, 45
— — now called Craigia hominis, 45, 734
Paramphistomidæ, 231, 234
Paramphistominæ, 231
Paramphistomum cervi, method of infection of oxen by, 226
Paraplasma, 180
— doubt as to organismal nature, 180
— occurs naturally in guinea-pigs, 180
— flavigenum possibly associated with yellow fever, 180
— — morphology, 180
— subflavigenum, 180
Parasites, definition, 1
— derivation of, 19
— diagnosis of presence of, 10
— discoveries from use of microscope, 10
— great fertility of, 5
— hereditary transmission of, 19
— human, Opisthorchis felineus most frequently found at autopsies at Tomsk, 253
— incidental, 6
— — human, 7
— influence on host, 8
— invading many hosts, 6
— limited to closely related hosts, 6
— — to one species of host, 6
— migrations in host, injuries set up by, 9
— movements of, disorders set up by, 9
— occasional (temporary), 1
— origin of, 10
— permanent, bodily changes in, 3
— — clasping and clinging organs in, 4
— — classes of, 2
— — hermaphroditism in, 4
— — loss of organs in, 3
— — (stationary), 1, 2
— transference from one host to another, 7
Parasitic life, advantages of, 20
Parasitism, facultative, 7
Pariah dogs, liver of, habitat of Paropisthorchis caninus, 257
— — North-west Provinces, India, percentage infected with Paropisthorchis caninus, 257
Paropisthorchis, 255
— caninus, genital pore, 255
— — habitat, 257
— — morphology, 255
— — seminal vesicle, 257
— — synonyms, 255
— — uterine coils, 257
— — vitellaria, 255
Partridges, Plasmodium relictum cause of fatal disease in, 170
Pasquale, see Kruse and Pasquale
Pasteur, L., researches on silkworm disease, 184
Patterson, maggots of Pycnosoma removed from orbital cavity, 588
Patton, genus Crithidia, 104
— Herpetomonas muscæ domesticæ, 102
— Piroplasma gibsoni, 177
— places Leishman-Donovan body in genus Herpetomonas, 107
— probable transmission of Leishmania, 107, 108
— and Cragg, life-history of Lyperosia exigua, 610
Peacock, observation of encapsuled Trichinellæ, 423
Pébrine bodies or Nosema bombycis of Arthropoda, 184
Pediculidæ (lice), characters, 532
Pediculoides ventricosus, effects on man, 489
— — morphology, 489
— — shape of pregnant female, 489
— — synonyms, 489
Pediculis capitis (head louse), characters and morphology, 532, 533
— — geographical distribution, 533
— — habitat, 533
— — infection by, 709
— — — causing eczema, 709, 710
— — — diagnosis, 710
— — — greater prevalence among females, 709, 710
— — — remarkable instances, 710
— — — resulting in blepharitis and conjunctivitis, 710
— — — — in plica polonica, 710
— — — treatment, 710
— — mouth parts of, 533
— — ova of, 533
— — prophylaxis against, 615, 616
— vestimenti (clothes louse), characters, 533
— — habitat, 533
— — infection by, 710
— — — lesions and symptoms following, 711
— — pest among soldiers during campaigns, 533
— — prophylaxis against, 615, 616
— — transmission of relapsing fever by, 120, 630
Peenash (nasal myiasis), 588, 715
— ending in fatal meningitis, 716
Peiper, cause of ancylostome anæmia, 648
Pelagutti, treatment of cutaneous and muscular cysticerci, 663
Pelletierinum as vermifuge, 673
Pelvic and abdominal organs, blood-supply of, as illustrating distribution of Schistosoma hæmatobium in body, 272
Pelvis, female, Oxyuris encapsuled in, 657
Pentastoma armillatus, hosts of, 528
— denticulatum, former name of larval stage of Linguatula rhinaria, 525, 526
— moniliformis, hosts and habitat of, 528
— — synonyms (footnote), 528
Pentastomidæ, references to, 528
Pentateuch, “fiery serpents” mentioned in, probable identification, 386
Pentatrichomonas bengalensis, 624, 735
Pereira, case of chorea cured after expulsion of Tænia, 648
Perinæum, tumours of, association of Dioctophyme gigas with, 431
Peritoneal cavity, Ascaris in, 656
— — Oxyuris invading, 657
Peritonitis, perforative, due to Ascaris, 656
Peritricha, 29, 200
Perroncito, artificial infection of human beings with Cysticercus bovis, 340
— infection with Lamblia intestinalis, 60
Persia, importation of African tick fever into, 613
Persian insect powder infusion in intestinal myiasis, 728
Peru oil, application in scabies, 707
Petrie, treatment of bilharziasis, 643
Petroleum as larvicide in campaign against mosquitoes, 636
— dressings of, in head louse infection, 710
— in crab louse infection, 712
— and benzine in crab louse infection, 712
Pfeiffer, L., pathogenicity of Coccidia, 136
Pfeiffer, R., Coccidia, 136
Pharynx, ascarides invading, 691
— invasion and infection in man by Fasciola hepatica, 242
— leeches in, 699
— of Hirudinea, 480
Philæmatomyia, position of genus, 611
— insignis, 611
Philippine Islands, experiments on amœbæ in, 618
Philips, eucalyptus oil in expulsion of ancylostomes, 687
Phillips, L. P., on Musgrave and Clegg’s medium, 743
— — treatment of balantidian dysentery, 637
Phlebotominæ, characters, 581
Phlebotomus, blood-sucking, 581
— characters, 581
— duboscii, 582
— intermedius, 582
— geographical distribution, 581
— — — of species, 582
— larvæ of, habitat, 582
— longipalpis, 582
— papatacii, 581, 582
— squamiventris, 582
Phonergates bicoloripes, 541
Phoniomyia, characters, 565
Phora rufipes, 589
— — larvæ (maggots) of, habitat, 583
Phoridæ, characters, 582
Phthiriasis, agents of, 533
Phthirius inguinalis (crab louse), characters, 534
— — habitat, 534
— — infection by, diagnosis, 712
— — — how effected, 711
— — — lesions and symptoms following, 711, 712
— — — sites of body affected, 711
— — — treatment, 712
— — rapid reproduction of, 534
— pubis, prophylaxis against, 616
Phthisis, filaria associated with, 408
Physaloptera, habitat and hosts of species, 460
— caucasica, morphology, 461
— mordens, geographical distribution, 461
— — habitat and host, 461
— — morphology, 461, 462
— morphology, 460
Physalopteridæ, 375, 460
Phytoparasites, 1
Pierantoni, Agamofilaria labialis, 407
Pig concerned in transmission of Balantidium coli, 202
— development of Trichinella spiralis in, 426, 427
— domestic, normal host of Cysticercus cellulosæ, 332
— echinococci in, 346
— geographical distribution of Tænia solium corresponds with that of, 334
— host of Paragonimus kellicotti, 250
— intestine of, Fasciolopsis buski in, 246
— Metastrongylus apri in, 433
— organs infected with echinococcus, percentage of frequency, 347
— rectum of, Balantidium coli present in, 202
— Sarcocystis miescheriana in, 190
— Sarcosporidia in, 187
— trichinous, proportion to healthy, in Prussia, 429, 430
— Trypanosoma simiæ virulent to, 100
Pigeon lofts inhabited by Argas reflexus, 506
Piophila casei, characters, 583
— — larvæ of, found in fæces, 583
— — — in nose, 720
Piroplasma, 172, 173, 174
— see Babesia
— gibsoni, 177
— hosts of, 173, 174
Piroplasmidæ, 172, 742
— genera of, 174
Piroplasmosis, treatment of, 178
— — by trypan-blue, 178
— — symptoms of, 178
— — transmission by ticks from recovered to uninfected animals, 178
Placobdella, 482
— catenigera, geographical distribution, 482
Plague, fleas carriers of, 543, 547
Planont, 185
Plants, flagellosis of, possible connection with leishmaniasis, 739
Plasmodium, 151, 742
— falciparum, see Laverania malariæ
— malariæ, development in red corpuscles of man, asexual stage, 166
— — distinctive characters, 167
— — lesions set up by, not marked, 634
— — parasite of quartan malaria, 166, 633
— — pigment granules of, 166, 167
— — schizogony of, 166
— — synonyms, 166
— — trophozoites of, differ from those of tertian parasite, 166
— or hæmamœba type of Hæmosporidia includes malarial parasites of man and birds, 151
— relictum, first development of malarial parasite in mosquito traced in, 170
— — hosts of, 170
— — mosquitoes transmitting, 170
— — stages in life-history, 170
— — synonyms, 170
— species, differential table of, 171
— tenue, 170
— vivax, agent of simple tertian malarial fever, 164, 633
— — cultivation of, clumping not observed in, 172
— — — number of spores produced, 172
— — development in red blood corpuscles of man, 160, 164, 165
— — — of “Polymitus,” 160, 165
— — — time occupied by, 165
— — distinctive characters of, 166
— — lesions set up by, not marked, 634
— — life-cycle of, 160, 164
— — merozoites of, 165
— — — migration, 165
— — micro- and macrogametocytes of, 165
— — pigment granules, 165
— — small variety, 166
— — “stippling,” 165
— — synonyms, 164
Platyhelminthes (flat worms), 211
— central nervous system of, 211
— classification, 212
— definition, 211
— diseases caused by, 638
— excretory apparatus, 211
— hermaphroditic, 211
— integument of body of, 211
— method of reproduction, 211
— morphology, 211
Plerocercoid, definition of, 301
Plerocercus, definition of, 301
Pleuræ, invasion by Paragonimus ringeri, 251
Plica polonica due to head louse infection, 709, 710
— — — — — — treatment, 710
Plimmer, H. G., treatment of sleeping sickness with antimony, 623
— — and Bradford, Sir J. Rose, Trypanosoma brucei, 93
Pliny, Ascaris lumbricoides known to, 464
Pneumocystis carinii, 90
Pneumocysts in rats, 90
Pocock, geographical distribution of Ornithodorus moubata, 508, 509
Podophyllin in expulsion of ancylostomes, 687
Polar capsule, 181, 183, 184, 186
— filament, 183, 184, 186
Polecat, intestine of, Isospora bigemina parasitic in, 149
Poliomyelitis acuta, possible rhizopods in, 46
— carrier of, 610
— epidemic, insects transmitting, 612
— virus of, 536
— — carried by house-fly, 586
Pollack, invasion by Loa loa, 678
Polymastigina, 52
Polymitus of Plasmodium vivax, 160, 165
— form of malarial parasites (footnote), 162
Polypus, nasal, caused by Rhinosporidium kinealyi, 195, 196
Polysporea, 182, 184
Polysporulea, 195
Polystomum integerrimum, organs of, 218
Ponds, mosquitoes depositing ova in, 553
Pork, cysticerci in, cause of decrease, 334
— eating of, cause of trichinosis, 423
— — means of infecting man with cysticerci, 334
— inspection of, in prophylaxis against trichinosis, 429
Porocephalus, 523
— armillatus, 527