522 GEOLOGICAL SURVEY OF THE TERRITORIES. 



EXPLANATION OF PLATE IV. 



EsTHERiA CALiFORNiCA Packard, and details. 



Fig. 1. The male, much enlarged. 



Fig. 2. Second antenna of female, x about 30 diameters. 

 Fig. 3. First antenna of female, x about 30 diameters. 

 Fig. 4. First leg of female, x about 30 diameters. 



Fig. 5. Leg of third pair of female; 6r', the extremely long and slender upper 

 branchial lobe forming the oviger. 

 Fig. 1 drawn by Mr. E. Burgess, the details by the author, with the camera lucida. 



