NOVITATES ZOOLOOICAE XXII. 1915. 



S6^ 



■i. Ceratophyllus henleyi mauretanicus Jord. & Roths. (1912). 

 3 J (J, 1 ? , Hammam-Meskoutine, May 4, off Dipodillus campestris. 



5. Ctenophthalmus russulae Jord. & Roths. (1912) 

 Only 5 Si, Sonk-Ahras, April 12 and l(j, off Crocklura russula maurctanica. 



6. Ceratophyllus numidus spec, no v. (text-fig. 1) 



¥. Similar to C. hirtindinis {imih (1832), bat at once distinguished by the 

 much smaller number of bristles on the abdominal sternites and on the hindferaur 

 and hindtibia. 



Labial palpus (in the only example obtained) consisting of four instead of five 

 segments, the third and fourth segments being merged together. The pronotal 



Fig. 1. — CeratojihyUus 7tumidys. 



comb contains twenty-seven spines, besides a small spine on each side. The apical 

 portion of the metanotum is reduced as in hirumlinis, and bears no apical sjiines. 

 The metepimerum has four bristles, the subapical bristle being absent on one side 

 and small on the other. 



The abdominal sternites III, IV, and V have a row of three bristles on each 

 side, VI bearing a row of four ; there are no additional bristles in front of 

 this row. 



The hindfemur has, on the inside, a lateral row of five or seven bristles, the 

 subapical ventral bristle not being counted. The hindtibia only bears four or five 

 lateral bristles on the outer surface, the lateral row of the inner surface containing 

 five or six bristles. 



The seventh steruite (text-fig. 1) strongly rounded, the bristles less numerous 

 than in C. hirundinis. The eighth tergite bears five bristles below the stigma and 



