PLATE Il. 
Bul. 5, new series, Div. of Entomology. U.S. Dept of Agriculture. 
e¢ 
4 
cd 
eFeiian 
SPECIES OF MALLOPHAGA. 
Figure a, Nirmus cordatus n. sp.; b, Nirmus marginatus n. sp. ¢c, Nirmus abruptus n. sp.; ad, Nirmus 
parallelus n. sp.; e female, f male, Lipeurus infuscatus n. sp.: a, Lipeurus subangusticeps Denny } 
h, Menopon interruptus n. sp.; ¢, Docophorus testudinarius Denny; j, Menopen expansum n. sp. 
(From photographs by the author.) 
