INDEX 



Abraxas, sex determination in, 



174. 

 Atavism, 62. 



von Baehr, 165. 

 Basile, 159. 

 Bateson, 37, 110, 174. 

 Baur, 61. 

 Bos, 147. 

 Buttercup, 107. 



Cattle, polled, 39, 102. 



Ciona, 146. 



Color blindness, 179. 



Correns, 34. 



Coutagne, 99. 



Cross-breeding, effects of, on 



vigor, 149. 

 Cuenot, 158. 



Daphnia, 116, 164. 

 Darwin, 7, 62, 106. 

 Davenport, 100. 

 Donraster, 174. 

 Drosophila, 146. 

 sex limited inheritance in, 

 174. 



East, 130, 138. 



Egg, fertilization of, 11. 

 of Nereis, 12. 

 of mouse, 13. 

 of sea-urchin, 18. 



Factors, inhibiting, 55. 



multiple, 62, 131. 

 Farabee, 39. 

 Fern, 20. 



prothallus of, 22. 

 spores of, 22. 

 Fingers, inheritance of short, 



39. 



Fixation of a reversionary char- 

 acter, 68. 



Fowls, Andalusian, 55. 

 crosses of, 53. 



sex limited inheritance in, 

 170. 



Gamete, definition of, 25. 

 Guinea-pig, angora, 38, 42, 47. 



black crossed with white, 34. 



new variety of, 84. 



polydactylous, 100, 121. 



reversion in, 63. 



rough crossed with smooth, 



38, 41, 47, 98. 

 Hare, Belgian, 30. 



183 



