Plate XL. 
Venation of Ichthyura arid Datana major. 
Fig. 1. Ichthyura ornataf from Olympia, Wash.; part of fore 
Figs. 2, 2a. Ichthyura inclusa. 
Fig. 3. Ichthyura brucei, from Franconia, N. H. 
Fig. 4. Ichthyura aJbosigma. 
Fig. 5. Datana major. 
