486 AUTHOR INDEX 



Wynne-Edwards, V. C, 201, 204, Zeuner, F. E., 62, 79, 259, 282, 



222 285, 289 



Yehle, L. A., 381, 382, 420 Zumberge, J. H., 387, 388, 420 



Yepes, J., 136, 137, 153 Zweifel, R. G., 160, 180, 186 



