NO. 4 FLEA GENUS PEROMYSCOPSYLLA— JOHNSON AND TRAUB 23 



Figs Ag-S2-Pero,mscopsylla scotti: 49, Immovable process and digitoid of 

 male ciasS 50 seventh sternum and spermatheca, ?; 51, dorsal arm of ninth 

 Senumf; 52 eighth sternum, c?. For explanation of symbols see pages 67-68. 



