The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development
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The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development

By Oscar Hertwig
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Book Description
Table of Contents
  • Heinemann's Scientific Handbooks
  • THE BIOLOGICAL PROBLEM OF TO-DAY
    • HERTWIG
      • Heinemann's Scientific Handbooks
    • Heinemann's Scientific Handbooks
  • THE BIOLOGICAL PROBLEM OF TO-DAY
    • PREFORMATION OR EPIGENESIS? THE BASIS OF A THEORY OF ORGANIC DEVELOPMENT
      • BY
    • BY
    • PROFESSOR DR. OSCAR HERTWIG
      • DIRECTOR OF THE SECOND ANATOMICAL INSTITUTE OF THE UNIVERSITY OF BERLIN
      • Authorized Translation
        • BY
      • BY
      • P. CHALMERS MITCHELL, M.A.
        • WITH AN INTRODUCTION BY THE TRANSLATOR AND A GLOSSARY OF THE TECHNICAL TERMS
      • WITH AN INTRODUCTION BY THE TRANSLATOR AND A GLOSSARY OF THE TECHNICAL TERMS
    • DIRECTOR OF THE SECOND ANATOMICAL INSTITUTE OF THE UNIVERSITY OF BERLIN
    • Authorized Translation
      • BY
    • BY
    • P. CHALMERS MITCHELL, M.A.
      • WITH AN INTRODUCTION BY THE TRANSLATOR AND A GLOSSARY OF THE TECHNICAL TERMS
    • WITH AN INTRODUCTION BY THE TRANSLATOR AND A GLOSSARY OF THE TECHNICAL TERMS
    • PREFACE
    • TRANSLATOR'S INTRODUCTION
    • CONTENTS
    • THE BIOLOGICAL PROBLEM OF TO-DAY
    • INTRODUCTION.
      • FOOTNOTES:
    • FOOTNOTES:
    • PART I.
      • WEISMANN'S THEORY OF THE GERMPLASM AND DOCTRINE OF DETERMINANTS.
      • Criticism of the Germplasm Theory.[8]
      • I. Objections to the Hypothesis of Differentiating Division.
      • FIRST GROUP OF FACTS.—UNICELLULAR ORGANISMS.
      • SECOND GROUP OF FACTS.—THE LOWER MULTI-CELLULAR ORGANISMS.
      • THIRD GROUP OF FACTS.—THE PHENOMENA OF REPRODUCTION AND REGENERATION IN PLANTS AND ANIMALS.
      • FOURTH GROUP OF FACTS.—THE PHENOMENA OF HETEROMORPHOSIS.[12]
      • FIFTH GROUP OF FACTS.—PHENOMENA OF VEGETATIVE AFFINITY.[16]
      • SUMMARY OF THE CONCLUSIONS IN THE FIRST SECTION.
      • II. ARGUMENTS AGAINST THE DOCTRINE OF DETERMINANTS.
      • FOOTNOTES:
    • WEISMANN'S THEORY OF THE GERMPLASM AND DOCTRINE OF DETERMINANTS.
    • Criticism of the Germplasm Theory.[8]
    • I. Objections to the Hypothesis of Differentiating Division.
    • FIRST GROUP OF FACTS.—UNICELLULAR ORGANISMS.
    • SECOND GROUP OF FACTS.—THE LOWER MULTI-CELLULAR ORGANISMS.
    • THIRD GROUP OF FACTS.—THE PHENOMENA OF REPRODUCTION AND REGENERATION IN PLANTS AND ANIMALS.
    • FOURTH GROUP OF FACTS.—THE PHENOMENA OF HETEROMORPHOSIS.[12]
    • FIFTH GROUP OF FACTS.—PHENOMENA OF VEGETATIVE AFFINITY.[16]
    • SUMMARY OF THE CONCLUSIONS IN THE FIRST SECTION.
    • II. ARGUMENTS AGAINST THE DOCTRINE OF DETERMINANTS.
    • FOOTNOTES:
    • PART II.
      • THOUGHTS TOWARDS A THEORY OF THE DEVELOPMENT OF ORGANISMS.[17]
      • FOOTNOTES:
    • THOUGHTS TOWARDS A THEORY OF THE DEVELOPMENT OF ORGANISMS.[17]
    • FOOTNOTES:
    • INDEX AND GLOSSARY
      • THE END.
    • THE END.
    • Heinemann's Scientific Handbooks.
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