448 JOURNAL, BOMBAY NATURAL HISTORY SOCIETY, Vol IX. 



A 1 . The anal segment and the anterior abdominal tergal plates 

 deep black, the sixth to the ninth terga pale yellow 

 (head and mandibles as in hrevipes)... semifiava, Poc. 



B 1 . Upperside of abdomen not strikingly particoloured, either 

 black or entirely pale ochre-yellow. 



A 2 . Head and abdomen entirely black or deep brown. 



A 3 . Mandibles the same colour as the head, 

 i.e.j blackish-brown ... hrevipes, Gerv. 



B 3 . Mandibles pale yellowish-red and contrast- 

 ing strongly in colour with the black 

 head ... ... ... nigriceps, sp. n. 



B s . Thorax and abdomen entirely pale, much paler 

 than the head and mandibles, which are deep 

 brown ... ... ... ... pliipsoni, sp. n. 



B. Legs yellow, but adorned with conspicuous black bands and 

 spots ; upper surface of the abdomen black at the sides, white 

 in the middle. 



A 4 . Antero-lateral angles of the head yellow ; femur 

 and trochanter of palp black ; a black spot 

 on the lower surface of the femur and tibia 

 of the first leg and on the posterior surface of 

 the tibia of the fourth leg... nigrocincta, Bern. 



B 4 . Antero-lateral angles of head not yellow, lower 

 surface of femur of palp, the legs of the first pair 

 and the tibia of the fourth pair, not ornamented 

 with black (teste, Simon) ... annulata, Sim. 



(5) Ehax pliipsoni, sp. n. (PI. A, Fig. 3, & PI. B, Fig. 4.) 



£ Colour ; mandibles, cephalic plate, distal end of protarsus, 

 and tarsus of palp and tarsus of first leg, ferruginous, the rest of the 

 body and limbs entirely yellow, although clothed with red hairs, 

 the antero-lateral edge of the cephalic plate is narrowly yellow, and 

 the membrane in front of it is, as usual, white. 



Head clothed with very long hairs, ocular tubercle of medium 

 size, furnished with the two nofcmal setas in front, but along the 

 middle line there is a series of four hairs. 



