STUDIES IN NEOTROPICAL MALLOPHAGA—CARRIKER 137 
Figure 10.—RHOPALOCERAS 
a, b,e, Rhopaloceras heterogenitalis heterogenitalis, new species: a, Male head and thorax; 
b, tip of female abdomen; ¢, male genitalia. 
c, f, R. h. spatulata, new subspecies: c, Tip of female abdomen and mesosternal plate; f, 
male genitalia. 
d, R. laticeps bonaparti, new subspecies: Male genitalia. 
