INDEX 



537 



influence in producing new 

 races, 383, 384 



influence on ontogeny, 311, 

 313 



influence on phvlogeny, 310, 

 313 



possible improvements, 505 



social institutions and, 312 

 Epidermolysis, 302 

 Epigenesis, 86, 88, 167, 187, 468 

 Epilepsy, 211, 212, 303 

 Equality of Man, 311, 464 

 Ethical Obligation, 500 

 Ethics, 507 



Eugenicist, methods of, 432 

 Eugenical rules as to defects, 



recessive, 437, 438 



serious, 442-444 



slight, 442 

 Eugenics, 423, 456 



contributory, 444-447 



declining birthrate, 447-456 



definition of, 425 



ideals, 428-435 



negative, 435-439 



only hope, 465 



positive, 439-444 

 Euthenics, 361 

 Evolution, control of, 416, 417 



experimental, 313, 407 



progressive, 412 



promotion of, 416, 504, 507 



requires new characters, 

 397, 400, 404, 406 



retrogressive, 411 

 Evolution of Man, 407-416 



contemporary, 410 



control of, 416, 417 



future, 410-412, 425 



intelligence in, 415 



natural selection in, 413 



prehistoric 410 

 Exogastrula, 332 

 Experience, factor in behavior, 

 480 



learning by, 70, 481 



Experimental medicine, 5 

 Experimental, Study of In- 

 heritance, 230 

 Eyes, development, 31 



color, 203, 301 



lacking, 333 



fused together, 333 



Facial features, inheritance of, 

 203 



Hapsburg type, 301 

 Factors of development, 84-86 

 Factors, added in progressive 

 mutations, 406 



chemical comparisons, 406 



definition of, 107 



differential, 270 



distribution in maturation 

 and fertilization, 268 



dominant and recessive, not 

 modified by union, 353 



drop out in regressive mu- 

 tations, 404 



extrinsic and intrinsic, 90 



for color developers, 26$ 



of rabbits and mice, 265 



of sweet peas, 262, 263, 264 



for pigment, 262 



location in cell, 267, 268, 

 269, 270 



Mendelian, 270, 271 



multiple, 287-293 



nature of, 266 



no formation de novo, 407 



origin of new, 406, 407 



relations to characters, 261, 

 262 



sex determining, 271 

 Fahlenbeck, noble families of 



Sweden, 451 

 Faraday, 490 



Fat stains, effects on next gen- 

 eration, 296, 359 

 "Fate of part, function of po- 

 sition," 341, 342 

 of organization, 342 



