NO. 4 FLEA GENUS PEROMYSCOPSYLLA — JOHNSON AND TRAUB 21 



Figs. 43-48. — Peromyscopsylla draco: 43, Preantennal area of head, <S; 44, 

 distal arm of ninth sternum, S ; 45, eighth sternum, S ', 46,a-c, seventh sternum, 

 5 ; 47, immovable process and digitoid of male clasper ; 48, seventh sternum and 

 spermatheca, $. For explanation of symbols see pages 67-68. 



