62 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I23 



broad ; with two long apical bristles, dorsal much longer than ventral. 

 Spermatheca (SP.) with tail as long as body and about one-third 

 as wide. 



Types. — From Caloniyscus hailwardi, Kopet Dagh [Range]. 



The range is probably northeastern Asia. 



Records of Specimens Examined 



One male and one female from Caloniyscus hailwardi, Firusa, Turkemenia, 

 1946. 



PEROMYSCOPSYLLA HIMALAICA (Rothschild, 1915) 



Figures 99-103, 115 



Lcptopsylla himalaica Rothschild, Nov. Zool., vol. 22, p. 305, figs. 5, 6, 1915. 

 Ctenopsylla himalaica Wagner, Akad. Nauk S.S.S.R. Zool. Inst., Parazitol. 



Sbornik (Mag. Parasitol. Mus. Zool. Acad. Sci.), Leningrad, vol. i, p. 146, 



pi. 13, figs. 88, 89, 1930. 

 Peromyscopsylla himalaica Hopkins and Rothschild, in MS. 



Head. — Similar to tikhomirovae but with six bristles other than 

 marginals on preantennal area (five in female) ; genal spines broader 

 than in tikhomirovae. Second antennal segment apparently with ex- 

 tremely short bristles in both sexes (difficult to see in only male 

 examined). Postantennal area with four or five irregular rows of 

 bristles. 



Thorax. — As in hesperomys, except no erect dorsal bristles on the 

 mesonotuin. 



Abdomen. — Male with three antepygidial bristles; female also with 

 three, but unique in that ventralmost separated from others by a gap, 

 and possessing its own pedestal (fig. 102). 



Male. — Membranous collar of sensilial segment very large, over- 

 lapping one-half of dorsal anal lobe. Portion of eighth tergum poste- 

 rior to spiracle with three long thin bristles and one smaller bristle 

 anterior to these. Sternum 8 (fig. 99) conical, bearing three light, 

 thin apical bristles ; about five to six subapical bristles, three of these 

 very long ; proximally with two bristles, one long ; membranous proc- 

 ess (M.P.) arising from proximodorsal portion. The long character- 

 istic bristle on posterior margin of immovable process of clasper (fig. 

 loi. P.) absent. Movable finger or digitoid of clasper (F.) narrow, 

 about 3^ times as long as broad, approximately the same width from 

 base to apex. Distal arm of ninth sternum (fig. 103) semimembranous 

 on dorsal (anterior) margin; posterior (ventral) margin rounded 

 and bearing four or five bristles plus several much smaller ones distad 

 to these ; acuminate apex with group of very short bristles. 



