418 Mr. James Waterston on a new African Fixj Insect. 



either B. allotnozoonoldis or B. enriquem, with six laminar ridges 

 whose inner terminations from the 2ncl to the 4th project like teeth. 

 There are besides three apica! teeth. Appendage narrow with about 

 twenty rows of denticulations. The last (innermost) denticle in 

 each row larger and stout. Excluding this the maximum number of 

 denticles in a row is six to seven. The outer edge of the appendage 



Fig. 1. 



thins out into an exceedingly fine smooth edge. Not reckoning this 

 fine edge the appendage is about six times as long as broad. 



Legs :— Fore-legs, coxae twice as long as broad. Femur nearly 

 three times as long as broad. Mid-legs, coxa broader than long 

 (5 : 4). Femur nearly thrice the trochanter in length. Tarsus 

 first joint longer (5 : 4) than the second, fifth longer (9:7) than the 

 third. Femur about one and three-quarter times as long as broad. 



Dimensions : — Length, head and body — about 2 mm., ovipositor 

 1-2 mm. Length of fore-wing, 1-5 mm., breadth, -7 mm. 



Type ? in B.M. 



April 21, 1921. 



