Index 



361 



\\ hitnev, induction effects of alco- 

 hol, 236 

 sex determination in Rotifers, 



165 

 \\ ieman, chromosomes of man, 162 

 W'iesner, plasomes, 129 

 Wilder, Duplicate twins and double 



monsters, 220 



Will, 50-53 



absolutely free, 302, 313 



defined, 313 



good and evil, 302 



inherited, 71, 316 



nature, expression of, 301 



responsibility and, 313 



supreme faculty, 315 



training of, 315 

 Wilson, cell division, rS, 19 



distribution of factors, iy8 



of chromosomes, 779 



dwarf and double Amphioxus 

 embryo, 214 ■ 



fertilization of sea-urchin, 12 



on sex determination, T58, 160 

 Winiwarter, on chromosomes 



man, 161, 162 

 oocytes of rabbit, /50 

 Wolff, "Theoria Generationis," 58 

 WOLTERECK, induction effects of, 235 



preinduction, 235 

 Women's Colleges, influence on mar- 

 riage, 291 

 Woods, "Heredity in Royalty," 71 



X-rays, influence on spermatozoa, 210 

 A' and Y chromosomes, 159, 177 



Yolk influence on size of egg, 10 



Zeleny and Mattoon, Selection in 



Drosophila, 257 

 1 Zvgote, 10 



