10 
Il 
12 
13 

Pityogenes undes. sp., fore leg; a, outer border. (Greatly enlarged) 
Pterocyclon mali Fitch, foretibia and tarsus; a, outer border. 
(Greatly enlarged) ; | 
Trypodendron politus Say, side view of head and prothorax, 
showing divided eye. (Enlarged) | 
Trypodendron politus Say, antenna. (Greatly enlarged) 
170 
