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 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 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 XXIII. INNERVATION OF THE HUMAN SKIN. CHAPTER XXIV. THE BUILDING OF REFLEX ARCS. 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: The original plain cover has had a title added and is placed in the public domain. INITIATIVE IN |