Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.

xxiii, 477 pages 19 cm

Includes index

Part I. The material basis of heredity -- 1. The germ-plasm -- Part II. Heredity in its relation to monogonic reproduction -- 2. Regeneration -- 3. Multiplication by fission -- 4. Multiplication by gemmation -- 5. Alternation of generations in its relation to the idioplasm -- 7. Summary of Part II -- Part III. The phenomena of heredity resulting from sexual reproduction -- 8. Modifications of the germ-plasm caused by amphimixis -- 9. Ontogeny resulting from the union of the germ-plasm of two parents -- 10. The phenomena of reversion in their relation to amphimixis -- 11. Dimorphism and polymorphism -- 12. Doubtful phenomena of heredity -- Part IV. The transformation of species: its origin in the idioplasm -- 13. The supposed transmission of acquired characteristics -- 14. Variation

Includes bibliographical references and index

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