Initiative in Evolution

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PREFACE.

CONTENTS.

LIST OF ILLUSTRATIONS.

CHAPTER I. FROM KNOWN TO UNKNOWN

CHAPTER II. REVIEW OF THE POSITION

CHAPTER III. THE PROBLEMS PRESENTED.

CHAPTER IV. INITIAL VARIATIONS AND TOTAL EXPERIENCE.

CHAPTER V. METHOD OF PROOF.

CHAPTER VI. EVIDENCE FROM ARRANGEMENT OF HAIR. Ex Uno Disce Omnes.

CHAPTER VII. THE EVOLUTION OF PATTERNS OF HAIR.

CHAPTER VIII. CAN MUSCULAR ACTION CHANGE THE DIRECTION OF HAIR IN THE INDIVIDUAL?

CHAPTER IX. HABITS AND HAIR OF UNGULATES. Horses.

CHAPTER X. HABITS AND HAIR OF UNGULATES. Oxen.

CHAPTER XI. HABITS AND HAIR OF CARNIVORES. Cats.

CHAPTER XII. HABITS AND HAIR OF CARNIVORES. Dogs.

CHAPTER XIII. HABITS AND HAIR OF PRIMATES.

CHAPTER XIV. MISCELLANEOUS EXAMPLES.

CHAPTER XV. EXPERIMENTAL.

CHAPTER XVI. FIRST SUMMARY.

CHAPTER XVII. VARIETIES OF EPIDERMIS.

CHAPTER XVIII. ARRANGEMENT OF THE PAPILLARY RIDGES.

CHAPTER XIX. FLEXURES OF THE PALM AND SOLE.

CHAPTER XX. THE EVOLUTION OF A BURSA.

CHAPTER XXI. THE PLANTAR ARCH.

CHAPTER XXII. MUSCLES.

CHAPTER XXIII. INNERVATION OF THE HUMAN SKIN.

CHAPTER XXIV. THE BUILDING OF REFLEX ARCS.

SUMMARY.

INDEX.

Transcriber’s notes:

In this e-text a black dotted underline indicates a hyperlink to a page, illustra­tion or footnote (hyperlinks are also highlighted when the mouse pointer hovers over them). The text of the book has been preserved as in the original except for correc­tion of some typographic errors (see below) and a few punctua­tion inconsistencies. Page numbers are shown in the right margin and footnotes are at the end. Footnotes are listed at the end. Some illustrations have been moved nearer to the relevant text.

Corrected misspellings include the following:
constitutent —> constituent
It —> If
ot —> to
endotheliun —> endothelium
ecomomy —> economy
involutary —> involuntary
old factory —> olfactory
tacile —> tactile
irrevelant —> irrelevant
tranverse —> transverse
decebrate —> decerebrate
Thistleton —> Thiselton
opprobious —> opprobrious
Duputryen's —> Dupuytren's
ditēthēsis —> diēthēsis

The original plain cover has had a title added and is placed in the public domain.

INITIATIVE IN
EVOLUTION

BY
WALTER KIDD, M.D., F.R.S.E.
AUTHOR OF “USE—INHERITANCE,” “DIRECTION OF HAIR IN ANIMALS AND MAN,”
“THE SENSE OF TOUCH IN MAMMALS AND BIRDS,” ETC.
WITH NUMEROUS ILLUSTRATIONS
H. F. & G. WITHERBY
326 HIGH HOLBORN, LONDON
1920

                                                                                                                                                                                                                                                                                                           

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