IXDEX 



:)i/ 



Darwmism,_ 7, 8; background of, 188- 

 216; critique of, 245-62; defense of, 

 general, 252-56; objections to, 247- 

 52 



Dasypus novemcinctus, 366, 375-78 



Datura, 395 



Davenport, C. B., 257, 333, 372, 393, 

 396, 474, 475 



Davenport, G. C, 400 



Davis, B. M., 360 



De CandoUe, A., 23, 122 



Defectives, segregation of, 479-80 



Democritus, 12 



Dendy, A., 71, 73 



Descartes, R., 15 



Determinants (Weismann's), 30, 31, 32, 

 265 



Determination of sex, 449-56 



Development: facts of, 164, 165; out- 

 line of animal development, 165-72 



De Vries, H., 7, 36, 37, 38, 39, 43, 258, 

 260, 261, 273, 335, 346-60, 380, 393, 

 429 



Difficulties and objections to Natural 

 Selection as seen by Darwin, 236-42. 



Difflugia, 378 

 Digby, L., 363, 364 

 Dihybrid ratio, 391 

 Dinornis gravis, 136, 137, 142 

 Dominance, Mendel's Law of, 40-42, 

 381, 382, 386 



Doncaster, L., 399 



Downing, E. R., 459-72 



Driesch, H., 34 



Drinkwater, H., 400, 460 



Drosophila ampelophila, 318, 321, 380, 



444; chromosomes of, 401, 402, 403; 



sex-linked heredity in, 433~38 

 Drummond, H., 214, 215 

 Durham, F. M., 429, 430 



Ears of man and apes, 155, 156, 157 



Earthworms and vegetable mold, 214 



East, E. M., 43, 419 



Eaton, Rev. A. E., 143 



Ectoblast, 166 



Edentates, distribution of, 98 



Edwards, J., 483 



Eimer, T., 34, 35, 264 



Elderton, E. M., 493 



Electric organ, of fishes, 196 



IMcphants, evolution of, 76-80 



l-^lephas, 76, 77, 78, 79, 80; K. autiquus, 

 .Sg; E. columhi, 85; E. leidyi, H5 



Embryology, evidences from ^o, 164-72 



Ivmpedocles, 12, 13 



Endoblast, 166 



Kngrammcs of Rignano, 335 



Enteleche, 34 



Environment: cfTects of, on develop- 

 ment, 317, 3i8;etTc(ts of, on hi-redity, 

 312-16, 318-20; and heredity, 312, 



in 



EoanthropHS dawsoni, 93 



Epicurus, 14 



Epigenesis, 13 



Epilepsy, inheritance of, 465 



Equidae, 70, 71, 72, 73 

 Equus, 71, 72, 73; E. leidyi, 85 

 P^scherich, 215 



Eugenics: Carnegie Laboraton.' of, 459; 

 and cruelty to children. 502, 503; 

 defined, 473; Education Society, 505; 

 and Euthenics, 484-96; Galton 

 Laboratory of, 459; positive, 480-83; 

 and religion, 508, 509; restrictive, 

 475-480; and unemployment, 501, 

 502; and woman, 502 



Eupagurus, 246 



Euthenics, 473, 484-96 



Evolution, organic: causal factors of, 

 185; definitions of, 3, 4, 5 1 evidences 

 of, 59, 60; experimental. 60; nature 

 of proof of, 59; proof of, 57, 58, 59; 

 what it is not, 8, 9 



Fabre, M., 231 



Factor hypothesis, 417*28 



Factorial analysis of color in mice, 429- 



30 

 Factors, in Xeo-Mendelian heredity: 



complementary, 417-20; cumulalive. 



424; inhibitory. 421-23; lethal, 432; 



in quantitative inheritance, 424-28 



Farmer. J. H.. 363, 364 

 Farrabee, \V. C\, 400 

 Feeble-mindedness, inheritance oi, 403, 



464 

 Fertilization, 301, 302 

 Fierasfcr acus, 198, lOO 

 Filiiria sanguinis hominis, 212 

 Filial Regression, Gallon's Uiw of, 



372-74 

 Flower, Professor, 1O2 



