Introductory material
Reading edition
PAGE
CHAPTER I
Introductory Remarks1
CHAPTER II
The Specific Difference between Living and Dead Matter and the Question of the Origin of Life14
CHAPTER III
The Chemical Basis of Genus and Species:40
II.—The Incompatibility of Species not Closely Related44
II.—The Chemical Basis of Genus and Species and of Species Specificity53
CHAPTER IV
Specificity in Fertilization71
CHAPTER V
Artificial Parthenogenesis95
CHAPTER VI
Determinism in the Formation of an Organism from an Egg128
CHAPTER VII
Regeneration153
CHAPTER VIII
Determination of Sex, Secondary Sexual Characters, and Sexual Instincts:
II.—The Cytological Basis of Sex Determination198
II.—The Physiological Basis of Sex Determination214
CHAPTER IX
Mendelian Heredity and its Mechanism229
CHAPTER X
Animal Instincts and Tropisms253
CHAPTER XI
The Influence of Environment286
CHAPTER XII
Adaptation to Environment318
CHAPTER XIII
Evolution346
CHAPTER XIV
Death and Dissolution of the Organism349
Index371