236 



INDEX 



WeUs, H. G., 205 

 Wheeler, W. M., 69 

 Whitman, C. O., 199 

 WilHams, R. C, Jr., 42 

 Willow moth, 222 



Woltereck, R., 66, 155, 216 

 Worms, parasitic, 37 



X-rays, 48, 58, 74, 92, 101, 144, 

 203 



