278 PROBLEMS OF FERTILIZATION 



Virchow, R., 17 Wierzejsky, A., 56 



Viscosity of egg, 153 Wilson, E. B., 25, 49, 60, 61, 64, 



140, 158, 162, 163, 233, 244, 265 



Wagner, 12, 18, 19 Winkler, H., 133 



Waldeyer, O., 139 Woodruff, L. L., 39, 238 



Waldstein, 185 Woodward, A. E., 27, 120, 121, 



Warburg, O., 145, 242 231, 238, 239, 240 

 Wastenys, H., 145 



Weismann, A., 38, 40 Ziegler, H. E., 158 



Whitman, C. O., 185 Zygote, 31 



