INDEX 
Cobb, J. A., on alleged inferiority of 
the first born, 306, 323 
Cole, L. J., and Bachhuber, L. J., on 
the influence of lead on progeny, 
292, 204 
Cole, L. J., and Davis, C. L., 276, 
204 
Collet, C. E., 236 
Collins, M., 72 
Combemale, F., 294 
Commander, L. K., quoted, 143 
Conklin, E. G., 11, 26 
Constable, F. C., hereditary genius 
and poverty, 100, 116 
Copeland, E. B., 221 
Correns, C., 15 
Cotton, H. A., 71 
Cowdery, K. M., 96 
Crackanthorpe, M. H., 141 
Crafts, L. W., 70 
Crafts, L. W., and Doll, E. A., 96 
Crime and heredity, 73-97; increase of, 
372, 373 
Crothers, T. D., 294 
Crum, F. S., decline of native American 
stock, 126, 141, 353 
Cunningham, D. J., teeth in ancient 
British skulls, 365 
Dallemagne, J., 94 
Danielson, F, H., and Davenport, C. 
B., inheritance of feeble-mindedness, 
II-13, 24; on marriage selection in 
the Hill Folk, 230 
Darwin, C. R., 99, 102, 184, 269; on 
inbreeding and cross breeding, 239; 
on military selection, 206, 207; on 
natural selection, 181, 214; on sexual 
selection, 222-224, 236 
Darwin family, 103, 247 
Darwin, G. H., on cousin marriages, 
247, 267 
Davenport, C. B., 26, 60, 70; on inher- 
itance of skin color, 18; heredity of 
ability, 111; effects of inbreeding, 
240, 245, 246; marriage selection, 
236, 267 
387 
Davenport, C. B., and Muncie, E. B., 
71 
Davenport, C. B., and Weeks, D. F., 
inheritance of epilepsy, 41-44 
Davis, Dr., on mentality of female 
offenders, 89 
Davis, N.S., 294 
Deaf-mutism, inheritance of, 244-246; 
effect of consanguinity on, 244-246; 
tendency toward elimination, 186 
Debret, F. J., 203 
De Candolle, A., 116, 203; on eminent 
sons of clergymen, 361 
Degeneration, 2-5, 64-69 
Déghilage, P., 179 
Déjerine, J., 70 
Delasiauve, L. J. F., heredity in epi- 
lepsy, 40 
Delinquency and defect, 89-92 
Demme, R., on progeny of drunkards, 
280, 281, 294 
Devine, E. T., 97 
Diem, O., 71 
Doll, E. A., 96 
Dolomore, Prof., on teeth in ancient 
British skulls, 365, 366 
Donkin, H. B., 95, on feeble-mindedness 
in criminals, 87 
Doran, R. E., 72 
Doud, C. M., 128, 141 
Down, Langdon, 29 
Drihms, A., 95 
Drosophila, inherited defect in, 69; 
inbreeding of, 240,241 
Drysdale, C. V., on Neo-Malthusian- 
"ism, 175-179 
Dublin, L. I., on increase of degener- 
ative diseases, 375, 383 
Dublin, L. I., and Langman, H., on 
influence of order of birth on off- 
spring, 301, 302, 323 
Dudfield, R., 179 
Dugdale, R., 94; on the Jukes, 81, 82, 
284; on alcoholism, 284 
Duke, E. See Duncan. 
Dumas, on civilian death rate in war, 
210 
