^^1 



INDEX 



517 



Darwinism, 7, 8; background of, 188- 

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

 general, 252-56; objections to, 247- 

 52 



Dasyptis novemcinclus, 366, 375-78 



Datura, 395 



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

 396, 474, 475 



Davenport, G. C, 400 



Davis, B. M., 360 



De Candolle, 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 dev-elopment, 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 

 Drvumnond, 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 



Elephants, evolution of, 76-80 

 Elephas, 76, 77, 78, 79, 80; E. antiquus, 



89; E. columbi, 85; E. leidyi, 85 

 Embryolog>-, evidences from, 60, 164-72 

 Empedocles, 12, 13 

 Endoblast, 166 

 Engrammes of Rignano, 335 

 Enteleche, 34 



Environment: effects of, on develop- 

 ment, 317, 3 18; effects of, on heredity, 

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

 313 



Eoanlhropus dawsoni, 93 



Epicurus, 14 ^ 



Epigenesis, 13 . -■^^'~'^ 



Epilepsy, inheritance of, 465 



Equidae, 70, 71, 72, 73 



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



Escherich, 215 



Eugenics: Carnegie Laborator>' 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; 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 Neo-Mendelian heredity: 

 complementary, 417-20; cumulative, 

 424; inhibitory, 42 r-|-23; lethal, 432; 

 in quantitative inheritance, 424-28 



Farmer, J. B., 363, 364 

 Farrabee, W. C, 400 

 Feeble-mindedness, inheritance of, 463, 



464 

 FertUization, 301, 302 

 Fierasjer acus, 198, 199 

 Filar ia sangttinis hominis, 212 

 Filial Regression, Gallon's Law of, 



372-74 

 Flower, Professor, 162 



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