INDEX 



393 



Oettingen, A. von, Moralstatistik, 10 



Ogle, W., marriage rates and economic 

 conditions, 146, 180 



Oldenberg, K., 142 



Oliver, T., lead poisoning and progeny, 

 291, 292, 295; dangerous trades, 329 



Ordahl, G., 95, 96; on juvenile delin- 

 quents, 90 



Ordahl, L. E., 95 



Orschansky, J., 70 



Owen, R., 13 



Paddon, M. E., 97 



Paine, Trios. , on heredity of ability, 98 



Pangenesis, 11-13 



Parent-Duchatelet, A. J. B., intel- 

 ligence of prostitutes, 89 



Parker, C. H., mental tests of the unem- 

 ployed, 92 



Parmelee, M., 95, 97 



Paton, S., on heredity of insanity, 45 



Paul, C., on lead poisoning and prog- 

 eny, 291, 295 



Pauperism and mental defect, 92-94 



Pearl, R., 26, 221; hereditary effects of 

 alcohol on fowl, 274-276 



Pearson, K., biometric studies, 8, 9, 

 26; on heredity and environment, 

 22, 26; on mental defect and Mendel- 

 ^ sca ) 36, 37, 53; on "anticipation" in 

 heredity, 59; on mating with defec- 

 tives, 61; on infant mortality, 195, 

 196; on sexual selection in man, 229, 

 236; on birth rate and status, 134, 

 142; on handicapping the first born, 

 2 97~35j 3 2 3; n natural selection in 

 man, 181, 185, 188, 189, 204; on 

 hereditary effects of alcohol, 286- 

 289, 295 



Pearson, K., and Jaederholm, G. A., 70 



Penta, P., on parentage of criminals, 81 



Peters, W., 117 



Pforringer, alcohol and heredity, 271 



Phillips, J. C., birth rates of Harvard 

 and Yale graduates, 135, 136 



Piff, T., 180 



Pintner, R., and Toops, H. A., 97 



Plate, L., 26 



Platschick, C., dental caries in recruits, 

 365 



Ploetz, A., 180, 296, 384; inheritance 

 of longevity, 192-195, 204, 323 



Ploss-Bartels, race crossing and beauty, 

 252; child bearing in savages, 367 



Pollitz, P., 95 



PoUock, H. M., and Morgan, W. S., 

 354 



Popenoe, P., 26, 142; long life of the 

 first born, 308, 309, 323; on inbreed- 

 ing, 241 



Popenoe, P. and Johnson, R. H., 9, 232 



Potts, W. A., alcoholic inheritance and 

 feeble-mindedness, 281, 206 



Poulton, E. B., 13 



Powys, A. O., on longevity and fecund- 

 ity, 188, 204; on infant mortality, 

 197, 204, 221, 313 



Prinzing, F., 142, 197, 204, 221, 313; 

 ages at marriage, 236, 349, preva- 

 lance of venereal infection, 165, 

 167 



Prostitution and mental defect, 88, 89 



Punnett, R. C., 26 



Quatrefages, A. de, on race crossing, 

 254, 267 



Radestock, P., 72 



Rath, C., 95 



Rauber, 13 



Ravenstein, E. G., 354 



Redfield, C. L., effects of parental age 

 on progeny, 316-320, 324 



Rehm, O., 71 



Reibmayr, A., 117; beauty of race hy- 

 brids, 252 



Reichardt, E. N.', 363 



Reid, G. A., 9, 210; racial influence of 

 alcohol, 276, 296; of disease, 182 



Religion, racial effect of, 3, 355-363, 

 379, 38o 



Rennert, O., lead poisoning and prog- 

 eny, 291, 292 



Rentoul, R. R., 9 



