620 



EVOLUTION, GENETICS, AND EUGENICS 



Whitman, C. O., 35 

 Whitney, D. D., 413 

 Wiggam, A. E., 49*-5°7 

 Wilberforce, Bishop, 28-29 

 Wilder, H. H., 481 

 Williston, S. W., 35 



Wilson, E. B., 6, 44, 146-48, 192, 194. 

 195, 196, 222, 223, 227 



Wings, comparative anatomy of, 63 



Wistar Institute, 425 



Woltereck, R., 413 



Woods, F. A., 462-63, 494 



Woodard, 151, 155 



Woolner, 84 



Wright, Sewall, 105-6, 216, 306 

 Wyman, Professor, 79 



X-chromosome, 221-27; variations of, 



223; linkage with autosome, 223 

 X-rays, 45, 34°-4i, 424 

 Xenophanes, 12 



Y-chromosome, 222-27 



Yellow mice, lethal factors in, 296 



Zea mays, 247 



Zeleny, 338 



Ziegler, E., 404 



Zoea larva of Peneus, in 



Zygote, 106, 200-201, 207-8 



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