342 Records of the Indian Museum. [Voi.. VIII, 



Upper lip bluish- white, the rest of the head yellow, with a 

 large central, triangular black mark; its apex on the epistome, 

 its base extending from one eye to the other, at the level of the 

 hinder ocelli. The back of the head is black also. 



Prothorax as in the typical P. annulata, black with a yellow 

 band on either side. 



Thorax bronze-black as far as the first lateral suture, with 

 yellow antehumeral band. Sides and under surfaces gray-yellow^ 

 with a fine black lateral stripe. 



Abdomen, 1,2 bronze-black above, gray-yellow at the sides and 

 below. Distal half of 9 and all 10 yellow, the yellow colour on 9 

 running forward dorsall}^ to a point nearly at the commencement 

 of the segment. The rest of the abdomen bronze-black above, paler 

 below. 



Legs white, the lower fifth of the femora black, as are the 

 spines and tarsi. The first pair of tibiae have a black line on 

 their posterior surfaces, and are not dilated; the remaining pairs 

 have a fine black mark at their bases posteriorly, and are much 

 dilated. 



Anal appendages, upper pair yellow, nearly equal in length 

 to segment 10, cylindrical, pointed. Lower pair about twice as 

 long, curved downwards, the basal half of each 5^ellow, the distal 

 half black 



Sufficiently distinct from the type to deserve recognition as a 

 geographical race of a widely distributed form. 



37. Cope'-a {Psilocnemis) vittata, de Selys , subsp. assamensis, nov. 

 I cf . I 9 N. Lakhimpur, base of hills, Upper Assam 

 {H. Steuens). 



Length of abdomen cf 32 mm. $ 30 mm. 

 ,, hind-wing cf 17 mm. 9 17 mm. 



& General colour russet-brown. 



Head, upper lip yellowish-brown. The rest of the upper 

 surface of the head brown, except for a black line running from eye 

 to eye immediately in front of the antennae, and the basal joint 

 of each antenna which is also black. 



Prothorax and thorax brown. There is a broad dorsal band 

 of a bronze-black colour on the thorax, and the sides of the 

 prothorax and thorax have black markings, which especially on 

 the thorax, are mottled in character. Abdomen brownish-black 

 above, paler below, 3, 4, 5, 6 have a fine basal white ring contracted 

 above, and a narrow distal black ring not reaching quite to the 

 end of the segment. Distal half of g and all 10 pale yellowish- 

 brown. 



Legs rich russet-brown with black spines, the posterior pair 

 of tibiae show a trace of dilatation. 



Anal appendages dull brown, upper pair one half the length 

 of lower pair. Both pairs straight, tapering, cylindrical. 



? (22-8-10). The position of this individual is uncertain. The 

 specimen is teneral and generally resembles the male in colour. 



