On the Variation of Species, with Especial Reference to the Insecta ; Followed by an Inquiry into the Nature of Genera
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On the Variation of Species, with Especial Reference to the Insecta ; Followed by an Inquiry into the Nature of Genera

By Thomas Vernon Wollaston
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Table of Contents
  • ON THE VARIATION OF SPECIES WITH ESPECIAL REFERENCE TO THE INSECTA; FOLLOWED BY AN INQUIRY INTO THE NATURE OF GENERA.
  • PREFACE.
  • CONTENTS.
  • CORRIGENDUM.
  • CHAPTER I. INTRODUCTORY REMARKS.
  • CHAPTER II. FACT OF VARIATION.
    • FOOTNOTES:
  • CHAPTER III. CAUSES OF VARIATION.
    • § I. Climatal causes generally, whether dependent on latitude or altitude.
    • § II. Temporary heat or cold, of an unusual degree.
    • § III. Nature of the country and of the soil.
    • § IV. Isolation; and exposure to a stormy atmosphere.
    • FOOTNOTES:
  • CHAPTER IV. ORGANS AND CHARACTERS OF VARIATION.
    • FOOTNOTES:
  • CHAPTER V. GEOLOGICAL REFLECTIONS.
    • FOOTNOTES:
  • CHAPTER VI. THE GENERIC THEORY.
    • FOOTNOTES:
  • CHAPTER VII. CONCLUSION
  • INDEX.
  • Transcriber's Notes:
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