NO. 4 FLEA GENUS PEROMYSCOPSYLLA— JOHNSON AND TRAUB 33 



Figs 69-73.— Subspecies of Peromyscopsylla silvatica: 69, Eighth sternum, 

 P s fallax S; 70, distal arm of ninth sternum, P. s. faUax, o ; p, eighth 

 sternum, P 's. silvatica, c? ; 72, distal arm of ninth sternum, P. s. silvatica, d ; 73, 

 same P s. spectabilis, c?. For explanation of symbols see pages 67-6«. 



