396 
Wassermann reaction, 168; in mental 
defectives, 62-64 
Watson, H. F., on syphilis and mental 
defect, 62 
Webb, S., on family limitation, 173, 
180, 363; and Webb, B., 97 
Weber, A. C., racial influence of cities, 
153, 154, 159, 160, 354 
Wedgewood, J., 103, 246 
Weeks, D. F., heredity of epilepsy, 41- 
44, 72, 303 
Weidensall, J., 95 
Weinberg, W., 204, 268, 324 
Weismann, A., on heredity, 13, 14, 
26; on inbreeding, 240 
Weller, C. V., effect of lead on progeny 
of guinea pigs, 292, 296 
Westergaard, H., 204; 296, 324, mar- 
riage rates and occupation, 150, 234 
Westermarck, H., on marriage selection 
in primitive peoples, 224, 237 
Wey, Dr., on mentality in criminals, 
87 
Whetham, W. C. D., on war, 213, 221 
Whetham, W. C. D., and Whetham, 
C. D., 10, 142, 355; on pauper pedi- 
grees, 94; on the fertility of defec- 
tives, 130 
Whipple, G. C., Vital statistics, 10 
Wiersma, E., 106, 116. See Heymans. 
Wigmore, J. H., 95 ° 
INDEX 
Willcox, W. F., on the decreasing 
proportion of children, 120, 142; on 
the alleged increase of cancer, 377, 
378, 384 
Williams, J. H., delinquency and defect, 
go 
Wilmarth, Dr. A. W., on fertility in 
defectives, 130 
Wilson, H. J., 384 
Wilson, J. G., 268 
Wolf, J., 180 
Woltmann, L., 10 
Woodruff, C. E., 142; on the extinction 
of mulattoes, 253 
Woods, F. A., heredity in royalty, 108, 
109, 117; in the Hall of Fame, 109, 
117 
Woods, M., 296 
Wright, J. F , 237 
Wulffen, E., 96 
Yoder, H. H., birth rank and genius, 
310, 320 
Young, A. A., on the declining birth 
rate in New Hampshire, 125, 126, 142 
Yule, G. U., 142; on the effect of order 
of birth on offspring. See also Green- 
wood. 
Zampa, R., 96 
Zero family, 31, 84-86, 230, 290 
