376 THOMAS SAY FOUNDATION 



PL ATI-] 43. 



Genitalia of Perlomyia and Leuetra. 



Fig. 1. Perlomyia utahensis sp. now $, dorsal view. 



Fig. 2. Perlomyia utahensis sp now $, side view. 



Fig. 3. Leuetra infuscata Clsn. $, dorsal view. 



Fig. 4. Leuetra infuscata Clsn. 9, ventral view. 



Fig. 5. Li net en infuscata Clsn. $ , side view. 



Fig. 6. Perlomyia collaris Bks. 9 , ventral view. 



