( 535 ) 



to fonrteeu lateral bristles and on the outer side an apical row of eight or nine, 

 rarely as few as six, while there are on the inside three apical bristles and eight 

 somewhat stouter subapical ones. The stylet is strongly conical, being two and 

 a half times as long as it is broad at the base. The bristles of the anal steruite 

 are apical and subapical, as in canis and felis. The head of the receptaculum 



Fig. 8. — Ctenocephahin craterus. 



semiiiis (R.S.) is much shorter than the tail ; it is widest proximally and incurved 

 dorsally at a short distance from the tail. 



Length (mounted specimens) : S 2-lU mm., ? 2-9 to 3'6 mm. 



8 <?cJ and 29 ? ? from Mutaragwa, Aberdare Mts., British East Africa, 

 March 15-17, 1910, off Dendrohyrax craicxliai/i. 



I ? from Mutaragwa, March 23, 1910, off Genette stuklmanni. 



1 ? from Mt. Kiuaugop, Aberdare Mts., February 27, 1910, off Aicicanthis 

 pumila. 



The true host appear.s to be Dendroltt/rax crawskaiji. 



13. Ctenocephalus canis (!urtis (182fi). 



I'uhx canh Curtis, Brit. Eul. iii. No. lU. 6g9. A-E and 8 (IS-.'O) ; Roths., I.e. (1905). 



<\S6 and 13 ?? from Voi, Britisli East Africa, April 27, 1910, off Canis 

 laleralia. 



9 cJcJ and 12 ? ? from Taveta, Ivilimiuijaro, May 5, 1910, off Lcitu^ spec. 



\\ i^j i and 22 S ? from Hurarnti, i'.ritisli East Africa, October and NovcrabiT 

 1910, oil Euxerus enjthropua. 



'lis and 2 ? ? from Uumrnti, off Epimijsjacksoni. 



