INDEX 



211 



Sedgwick, L'9 



selection, 1:29 



self sterility, 47 



Semon, 160 



sepia eye-color, 97 



sex-chromosomes, 101 



sex in man, 107-9 



sex-linked inheritance, 101-6, 



107, 193 

 shaven, 99 

 Shaw, Bernard, 160 

 sooty body-color, 96 

 species, 43, 44, 46, 14;2, 143 

 Spencer, 120 

 sport, 129 

 sterility, 47 

 Stockard, 167, 168 

 strap wing, 94 

 Sumner, 173, 175 

 sweet peas, 183 



TAX body-color, 93 

 tobacco, 48 



twins, 304 

 USE, 120 



VARIATION. 139 



vestigial, 71, 93, 111-4 



Mcari, 159 



vinegar fly, 71, 87 



de Vries, 27, 121, 122, 123 



Wallace, 14 



Ward, 160 



Weismann, 10, 11, 27, 166 



white eve, 114-5 



Wilder,' 26 



deWiniwarter, 107 



Wriedt, 187 



X-CHROMOSOME, 90, 114 



X-rays, 168 

 YELLOW wings, 114-5 



ZlEGLEHj 25 



