The Biological Problem of To-day: Preformation Or Epigenesis? / The Basis of a Theory of Organic Development
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Chapters (196)
- THE BIOLOGICAL PROBLEM OF TO-DAY
- HERTWIG
- Heinemann's Scientific Handbooks
- THE BIOLOGICAL PROBLEM OF TO-DAY
- PREFORMATION OR EPIGENESIS? THE BASIS OF A THEORY OF ORGANIC DEVELOPMENT
- PROFESSOR DR. OSCAR HERTWIG
- DIRECTOR OF THE SECOND ANATOMICAL INSTITUTE OF THE UNIVERSITY OF BERLIN
- Authorized Translation
- P. CHALMERS MITCHELL, M.A.
- 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:
- 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:
- PART II.
- THOUGHTS TOWARDS A THEORY OF THE DEVELOPMENT OF ORGANISMS.[17]
- FOOTNOTES:
- INDEX AND GLOSSARY
- THE END.
- Heinemann's Scientific Handbooks.
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