SUBJECT INDEX 



Acquirements, 15, 74 

 Amphimixis, 32 

 Atavism, 64 

 Chromatin, 19 

 Determinants, 20 

 Dominant characters, 64 

 Environment, 71 

 Gametes, 24 

 Germ-cells, 24 

 Germ-plasm, 27 

 Heredity, definition of, 9 

 evolutionary importance 



of, 13 

 Homogamy, 35 

 Law and cause — their nature, 



48 



Law of ancestral inheritance, 

 42 



Law of regression to medio- 

 crity, 36 



Law of segregation, 63 



Mutation, 63 



Pangenesis, 68 



Parthenogenesis, 28 



Physiological units, 22 



Recapitulation theory, 66 



Recessive characters, 64 



Telegony, 81 



Variation, 10, 29, ttc. 



progressive and regres- 

 sive, 33 



[Indkx to NAMita 



U7 



