INDEX 



533 



Varied responses, 68 

 Vegetative pole of egg, 167, 168 



VlVIPARITY, 30 



Viviparous development, 18, 19 



WALTER, diagram of Galtonian 



inheritance, 208 

 filial regression, 220, 495 

 Wars, effects of, 422, 423 



shake off social heredity, 



363 



Wasserman test, 154 

 WATASE, symmetry of egg of 



Loligo, 169 

 WEEKS, 206, 501 

 Weidal test, 154 

 WEISMANN, determinants and 



biophores, 100, 255 

 germ plasm theory, 96, 100, 



335 



hereditary and environ- 

 mental variations, 212 

 on differential division of 



chromosomes, 125 

 inheritance of acquired 



characters, 335 

 nuclear control of differ- , 



entiation, 181 

 reduction of chromosomes, 



137, 496 

 WHITMAN, behavior of clepsine, 



68 



Necturus, 69 

 pigeons, 70, 71 

 freedom and choice, 71, 72, ! 



501 



WHITNEY, induction effects ofi 

 alcohol, 349, 501 



WIESNER, plasomes, 100, 501 

 WILDER, duplicate twins afcd 



double monsters, 323, 501 

 WILL, 67, 72, 459 



absolutely free, 445 



denned, 470 



good and evil, 445 



inherited, 205 



nature, expression of, 444 



supreme faculty, 471 



training of, 470, 471 

 WILSON, distribution of factors, 

 262 



of chromosomes, 263 



dwarf and double Amphi- 

 oxus embryos, 315 



on sex determination, 141, 

 142, 144, 166, 167, 496, 501 

 WINIWARTEH, on chromosomes 

 of man, 145-^6 



oocytes of rabbit, 130, 501 

 WOLFF, "Theoria Generationis," 



82, 501 

 WOLTERECK, induction effects of 



cold, 349 



preinduction, 349, 501 

 Women's Colleges, influence on 



marriage, 430, 431 

 WOODS, "Heredity in Royalty," 



X-rays, influence on spermato- 

 zoa, 311 



X and Y chromosomes, 143, 166 

 Yolk, influence on size of egg, 

 13, 14 



Zygote, 13 



