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The works of Francis Maitland Balfour, Volume 3 (of 4) cover

The works of Francis Maitland Balfour, Volume 3 (of 4)

Chapter 59: Transcriber’s Note:
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About This Book

The volume presents a comprehensive comparative account of embryology and organogeny in chordates and vertebrates. It surveys early development and larval forms across groups (cephalochordates, tunicates, fishes, amphibians, reptiles, birds, mammals), compares germ-layer formation and patterns of gastrulation, and examines ancestral chordate features and phylogenetic implications. The second part treats organogenesis in detail, tracing origin and comparative development of epidermis, nervous system, sensory organs, notochord and vertebral skeleton, and other structures, concluding with general syntheses on homologies, modes of layer formation, larval types, and evolutionary interpretations.

[281] The papers of Fürbringer, Semper and Waldeyer contain full references to the literature of the Vertebrate excretory organs.

CAMBRIDGE: PRINTED BY C. J. CLAY, M.A. & SON, AT THE UNIVERSITY PRESS.

Transcriber’s Note:

Footnotes were renumbered sequentially and moved to the end of the chapter in which the related anchor occurs. In the bibliography for Chapter 23, entries (517), (521), and (522) have the same footnote anchor, [267]; in the final bibliography, these appear as duplicate footnote anchors [281].

Section headers in Chapter 24 were changed from small caps to italics, for consistency with formatting in the remaining chapters.

Punctuation, hyphenation, and use of small caps were standardized; missing letters were added. Authors names in the bibliography sections were changed from gesperrt to bold.

The layout of several tables was adjusted to accommodate display on ebook readers and handheld devices. An alpha jump table was added at the beginning of the index for the convenience of users.

Changes to text:
 Chapter 6 - ‘mesoblastis’ to ‘mesoblast is’
  ... mesoblast is divided ...
 Chapter 10 - ‘vescicle’ to ‘vesicle’
  ... blastodermic vesicle ...
 Chapter 12 - added italic markup to ‘e.g.’
 Chapter 15 - changed reference from (359) to (357)
...This ganglion, as first suggested by Schwalbe (No. 357)
 Chapter 16 - removed duplicate ‘in’ from ... being thrust in in front ...
 Chapter 22 - ‘contrictor’ to ‘constrictor’
  ... musculus constrictor superficialis ...
 Chapter 23 - removed duplicate ‘in’ from ... and pushed in in its middle ...
 Footnote 163 - added final ‘s’ to ‘Nervensystems’
 Fig. 100 - added ‘yolk’ as definition to abbreviation ‘yk.’ in caption
 Fig. 191 - ‘Mc’ to ‘Me’ in reference to ventral surface
 Fig. 390 - ‘Malphigian’ to ‘Malpighian’ in 2nd paragraph of caption
 Fig. 416 - removed italics from ‘thyroid involution’ for consistency
 Bibliography item (139) - ‘Hünchens’ to ‘Hühnchens’
 Bibliography item (168) - ‘Jhiere’ to ‘Thiere’
 Bibliography item (466) - ‘Brustbien’ to ‘Brustbein’

Anomalies noted, but left unchanged:
 Periods after abbreviations of Mr., Dr., St., etc. were omitted.
 Many illustrations are slightly out of focus in the original.
 Abbreviations in the captions usually conclude with a period, which is missing in most illustrations, and is usually missing in the text discussing the illustration; occasionally, periods are used in the abbreviation in the illustration, but not in the caption.
 Fig. 73 - reference to ‘medullary canal’ in text is shown as ‘neural canal’ in the figure.
 Fig. 113 - the abbreviation for neural canal is identified in the illustration as ‘m.c.’
 Fig. 324 - ‘Iaa’ in caption doesn't match ‘laa’ in illustration.
 Fig. 148 - abbr ‘a.’ is used for both amnion and urachus in the caption and illustration.
 There is no Figure 332 in the original.
 Bibliography header is missing between Footnote 157 and reference (327).
 Bibliography item (208) does not have a series or volume number identified in the original.
 There are no bibliography entries numbered (358) or (359).