G. F. Ferris and F. R. Cole 
195 
iGg. 11. Olfersia americanu (Leach), female, from “barn owl,’ 
Aluco jjralhtcola, San Lcrnardino, California. 
Fig. 12. Olfersia americana (Leach), wing. Lettering of venation according 
to Comstock-Needham system. 
13—2 
