Mr, James Waterston on Chiastopsylla godfreyi. 415 



The antepygidial bristle is as long as the second joint of the 

 hind tarsus. Stylet slender (4 : 1), but much shorter (2 : 5) than the 

 elongate apical bristle. Modified segments (see fig. 1). Recepta- 

 culum seminis (fig. 1«) with the head shorter than the distinctly 

 slender tail. 



Legs : — On the dorsal edge of the hind tibia between the 4th and 

 5th pairs of spines is a wide spineless gap. The proportions of the 

 tarsal joints are much as in C. rossi Waterst., but in the mid leg 

 (where the first three segments are in the ratio 25, 27 J, 20) the second 

 and third are longer, while in the hind leg (where the first two 



Fig. 1. — Chiastopsylla godfreyi Waterst, 9 . 8th segment a^d 

 7th sternite. a, receptaculum seminis. 



segments are in ratio 50, 33) the second segment is a trifle shorter 

 than in C. rossi. 



Length, a little over 2 mm. 



KEY TO THE SPECIES OF CHIASTOPSYLLA ROTHSCH. 



Males. 



Females. 



Frons evenly rounded. " Finger," broad- 

 est below the middle, short, not 

 exceeding in length the greatest 

 breadth of the 9th sternite whose 

 fringing bristles are all simjile . 



Frons with distinct angle near the base 

 of the maxillary palpus. " Fmger " 



godfreyi Waterst, 



