298 
Hermaphroditism etc. in Pediculus 
in the other (No. 53, see Text-fig. 14 a) it is of normal size with the basal 
plate much reduced, the dilator divided in two pieces, the penis being absent; 
this specimen shows but one gonopod. 
Text-fig. 14. Pediculus humanus, cross between capitis and corporis. (A) Specimen 53, f, showing 
extruded <$ genitalia; lettering as in Text-figs. 17, 20. (B) Specimen 50, f, detail showing 
$ ventral plate ( v.pl .) and two invaginated structures with sensory hairs and posterior 
part protruding. (C) Specimen 49, $!', showing two gonopods, one abnormal, surrounded by 
deformed ventral plate. (K. & N. del.) 
