SOME NEW CHINESE FLEAS. 



375 



third longer than it is broad near the apex. The measurements 

 of the tarsi are : — 



Mid tarsus : 28, 24, 20, 13, 30. 

 Hind tarsus : 58, 36, 26, 17, 33. 



Text-fiff. Ill, 



Abdominal segment VIII and receptaculum seminis of Ceratophyllus 

 ci'assus $ , 



Modified segments. — $ . The seventh sternite is so much 

 torn in both our specimens that it is not safe to express an 

 opinion about its outline. The eighth tergite (text-fig. Ill) bears 

 two long bristles below the stigma and its apex is obliquely 

 truncate and slightly incurved. The bristles on the lower half 

 of the eighth tergite are numerous, and there are 3 or more short 

 strong bristles on the inner surface. The stylet resembles that 

 of G. dolabris, sp. n., but the apical bristle is appreciably shorter 

 and thinner. The receptacle has a rounded head, which is shorter 

 than the (artificially ?) distorted tail. 



Length (mounted specimens) 3*8 to 4 mm. 



Two females from Old Tau-chow, Kansu, 9000 ft,, off" Marmota 

 rohusta M.-Edw. 



5. Oeratophyllus mandarinus, sp. n. (Text-figs. 112, 113.) 



d" $ . A pale species with long rostrum, long tarsal bristles, 

 a very long and narrow movable process in the male genitalia, 

 and a peculiarly long-tailed receptaculum seminis with a small 

 head in the female. 



Head. — The frons is very feebly rounded in both sexes, the 



25* 



