m 



163 



162 



Figures 157-164. — Lcrnanthropus tylosiiri Richiardi and Lcrnaca species. 157-162. L. lytosun female. 157. Ventral 

 view, after Shiino. Same, male. 158. Dorsal view. 159. Caudal ramus, ventral view. 100. Third leg. 161. Fourth 

 leg. 162. Fourth leg. 163-164. Lernaea species, female. 163. Ventral view. 164. Anterior end of body. 



390 



U.S. FISH AND WILDLIFE SERVICE 



