( 537 ) 



lower one, the segment being more strongly ohitinised arounil the sinus than 

 elsewhere. The eighth tergite lias two long bristles below the stigma accompanied 

 by a minute hair, two or three at the apical margin and eight or nine further 

 proximally; on the inside the segment has one apical bristle and a subapical row 

 of three, all short, bnt almost as stont as the long bristles of the outer surface. The 

 receptaculnm seminis re.sembles that of C. faaciaUis ; the tail narrows perceptibly 

 towards the ape.x and the head is reticulated on the outer surface, 



2 S ¥ from Mt. Kiuangop, Aberdare Mts., British East Africa, February 25, 

 191U, oif Oenomys bacchante \ type. 



14 ? ? from Mutaragwa, Aberdare Mts., March 1 to 14, 191U, off Thamnomys 

 ibeanus, Lophuromys zena, and Graphiurus microtis saturatus. 



1 ? from Aberdare Mts., March 1910, off Crijptolopka mackenziana. 



1 ? from Buhamba, Congo, June 4, 1911, off Tkamnomys dryas. 



16. Ceratophyllus infestus Roths. (1908) (text-figs. 10 and 11). 



Ceratophyllus infestux Rothschild, in Sj'Medt, Kilimamljaro-Meru Exped., Siphonaptera, p. 4. t. 1. 

 fig. 6. 7 (1908) (Kibonoto). 



As the original figures of C. infestus have slightly suffered in reproduction, we 

 take the opportunity of supplementing them with two additional figures talcea from 

 the type (J) and a paratype ( ? ). The genitalia vary slightly in detail. The type 



. Fig. 10. — Ceratoplnjllns infestus. 



Fio. 11. 



bears a small hair below the long bristle of the dasper on one side of the body, bnt 

 not on the other. This hair is absent from the examples collected by Mr. Kemp. 

 Tlie recejitaculum seminis (text-fig. 11) is remarkable for its slender shape and pro- 

 jecting mouth. 



7 ? ? from Mt. Kcnia, December 2, 1910, off a s(|niiri'l, lleliosciurus Iceniae. 



17. Pygiopsylla afer Itoths. (1908). 



I''J:i'>"I"!i'1" "/f Rothschild, I'm,; Znnl. S,,,: l..„„l. p. GIK. no. I. t. 29. fig. 7.K (190H) (Aiigolii). 



1 ? from Kagamba, Uganda, July 14, 1911, off J)aiiymys median. 



