( 550 ) 



The ? does not present any reliable difference from that sex of ansorgei, the 

 specimens being somewhat variable inter se. The sinus of the seventh sternite 

 (text-fig. 21, VII. St.) divides the segment into a broad upper lobe and a smaller 



Fig. 20. — CteTiophthalmus caUriis. 



Fig. 21. — CtenophtlialiiiKS nihirus. 



lower one. [ The eighth tergite has two bristles at the apical edge above the 

 ventral angle. The head of tlie receptaculum semiuis is longer than the tail. 



1 S from Mbarara, Uganda, April 3, 1911, otf a rodent. 



1 ? from Mbarara, Jul)' 25, 1911, off Oenomijs spec. 



1 S and 1 ? from Rumruti, British East Africa, September 2S, 191U, off 

 Arcicanthis massaicus. 



1 ? from Nalasanji, Uganda, July 8, I'.tll, off Otomi/s spec. 



1 cJ from Nalasanji, Uganda, July 8, 1911, oW Loplmromi/s anaorgei. 



