290 



SIPHONAPTERA. 



forecoxa. Comb of second 



spines (on the two sides 



spines, the fourth tergite 



Rostrum reaching to apex of 

 abdominal tergite containing 16 

 together), that of third tergite 

 having one short spine 

 on one side and two on 

 the other. Marginal 

 angle of tergite vii. be- 

 low^ antepygidial bris- 

 tles more strongly 

 rounded than in St. 

 jacohsoni. Lobe above 

 sinus of seventh sternite 

 (fig. 4) acuminate, its 

 lower edge incurved, 

 the ventral lobe broader 

 than in St. jacohsoni, 

 rounded at apex. Anal 

 sternite (fig. 6) with 

 long bristles only, 

 namely a proximal 

 bunch of 5 (in this 

 specimen), a middle 

 pair, and two apical 

 pairs, on the two sides 

 together, the sternite 

 being twice incurved 

 ventrally, i.e., slightly 

 so behind the proximal 

 bristles, and again more 

 distinctly behind the 

 middle pair. Eeceptaculum seminis 

 type, more nearly resembling that of 

 (1922), its head widest near the tail, and its dorsal surface 

 concave behind middle. Hind femur with two subapical 

 ventral bristles on the outer surface. Tibiae with fewer large 

 dorsal bristles, the shorter dorsal bristles not forming a sort 

 of comb as in St. jacohsoni. 



Length 4.3 mm. (mounted specimen). 



One 9 from Mt. Murud off Tupaia montana baluensis. 



(R.s.) of a 

 St. synetus 



different 

 J. & E. 



4. Stivalius rhaebus nov. spec. (Figs. 6, 7). 

 Allied to St. rohinsoni Roths., 1905. 



