INDEX 



305 



Sturtevant, 86, 114, 117, 125, 127, 



143-145, 191, 260, 261, 272 

 Sundew, 256 

 Surface, 85, 135 

 Sutton, 16, 256 

 Sweet peas, 70, 85 

 Synaptic stage, 47 

 Syndactyls, 33, 34 

 Synizesis stage, 46 



Tadpole, 189 



Tanaka, 86, 135 



Temperature, 96-97, 139-142 



Tennent, 188, 231 



Tetrads, 39, 43, 50, 75, 107, 114 



Tetraploid, 150, 154, 159 



Tettigidea, 111 



Tomatoes, 85 



Tomopteris, 44-46, 100, 113 



Toyama, 191, 192, 228 



Trimerotropsis, 74, 75, 78 



Triploid, 155, 160 



Trow, 117 



Truncate wing, 248 



Turtle dove, 194 



Turtur orientalis, 194 



Twin hybrids, 264 



Variation — in linkage, 139-146 

 Variation — in number of chromo- 

 somes, 147-164 

 Vermilion eye, 158, 159, 248 

 Vestigial fly, 63, 81-83, 87-90, 123, 

 124 



Vilniorin, 85 



Vinegar fly, 27, 28, 70, 168-170, 172 

 Voinov, 74 



Vries, de, 85, 149, 155, 263, 264, 

 266, 273 



Walnut comb, 68, 69 



Warren, 85 



Wasps, 198 



Weatherwax, 229 



Weinstein, 127, 129, 131 



Weismann, 234, 235, 242 



Wenrich, 74, 102, 110, 113 



Wheat, 85, 135 



White, 0. E., 20, 67, 85, 134 



White-eyed fly, 91-93, 118, 167, 168, 



171-173, 238, 248, 271 

 Whiting, 70 

 Whitney, 185, 186 

 Wilson, E. B., 55, 165 

 Winiwarter, 136-137, 170 

 Wright, 86, 87 



Xenia, 230 



Yatsu, 135, 137 



Yellow mouse, 257 



Yellow- winged fly, 91, 118, 120, 171- 



173, 190, 250, 272 

 Yocom, 137 



Zea mais, 229, 249 

 Zygote, 84 

 Zygotene stage, 107 

 Zygotic lethal, 254, 256 



