  PART I. I. « On Variation under Domestication, and on the Principles of Selection. » PART II {104} . IV. and V. « On the evidence from Geology. » PART I CHAPTER I ON THE VARIATION OF ORGANIC BEINGS UNDER CHAPTER II ON THE VARIATION OF ORGANIC BEINGS IN A WILD STATE; CHAPTER III ON THE VARIATION OF INSTINCTS AND OTHER MENTAL PART II {305} ON THE EVIDENCE FAVOURABLE AND OPPOSED TO THE CHAPTER IV ON THE NUMBER OF INTERMEDIATE FORMS REQUIRED ON THE CHAPTER V GRADUAL APPEARANCE AND DISAPPEARANCE OF SPECIES {326} CHAPTER VI ON THE GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS IN PAST AND PRESENT TIMES CHAPTER VII ON THE NATURE OF THE AFFINITIES AND CLASSIFICATION CHAPTER VIII UNITY OF TYPE IN THE GREAT CLASSES; AND MORPHOLOGICAL STRUCTURES Unity of Type {454} . CHAPTER IX ABORTIVE OR RUDIMENTARY ORGANS The abortive organs of naturalists. CHAPTER X RECAPITULATION AND CONCLUSION Recapitulation. CAMBRIDGE UNIVERSITY PRESS Edinburgh: 100, PRINCES STREET All rights reserved From a photograph by Maull & Fox in 1854 From a photograph by Maull & Fox in 1854 THE FOUNDATIONS OF THE |
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