358 



THE THEORY OF THE GENE 



Thelia, 263. 



theories of heredity, 26-31. 



theory of the gene, 25. 



thrips, 149. 



Tischler, 170. 



toad, 277. 



tobacco, 96, 249. 



tomato, 112, 113, 115-117. 



translocation, 80-82. 



Trialeurodes, 148. 



triplo-IV, 50, 51, 175, 176. 



triploid Drosophila, 84. 



triploid endosperm, 82. 



triploids, 131-138. 



trisomic type, 177-189. 



Triticum, 151, 152. 



Triton, 140, 280. 



twins, 258, 286. 



V 

 Vallisneria, 213, 214. 

 vermilion genes, 81, 82. 

 vestigial, 75. 

 Viola, 171. 



de Vries, 67, 68, 69, 70, 71, 95, 

 109, 131, 174, 187, 188, 189. 

 Vulgare wheat, 152, 154-157. 



W 



walnut comb, 72, 73, 74. 

 wasp, 237. 



W-chromosome, 256, 257. 



Wedge, 182. 



Weinstein, 102, 104. 



Weismann, 28-30. 



Wettstein, 128, 149, 216, 217, 218, 



239, 242. 

 wheats, polyploids, 150-158. 

 White, 0. E., 37. 

 Whiting, Anna R., 239. 

 Whiting, 237-239. 

 Whitney, 147, 233, 234. 

 Williams, 148. 

 Willier, 259. 



Winge, 214, 222, 223, 226, 227, 228. 

 Winiwarter, 203-205. 

 Winkler, 112-118. 

 Wiry, 181, 182. 

 Witschi, 269-276, 280. 

 Wright, 298. 



Xiphophorus, 265, 266. 



Y 



Yampolsky, 290. 



Y-chromosome, 52, 105, 222, 239. 



yellow mice, 64. 



Zea mays, 123. 

 Zeleny, 86. 



