HYMENOPTERA. 63 



ruginous; the three basal segments of the abdomen red; the 

 first segment is black at the sides of the extreme base, and 

 has two fuscous spots above ; the second and third segments at 

 the sides have a black spot ; the fourth and following segments 

 black, the apical margins pale testaceous, each successive one 

 more broadly so. 

 Hab. Northern India. (Coll. J. S. Baly, Esq.) 



84. Halictus fimbriatus, n. s. 



Male. Length 5 lines. — -Black, distinctly and not very closely 

 punctiu-ed, the clypeus much produced and coarsely punctured, 

 antennae as long as the head and thorax, the joints subarcuate, 

 rufo-piceous beneath. The sides of the thorax and beneath co- 

 vered with long white pubescence ; the legs have a clothing of 

 similar but shorter pubescence ; the anterior tibiae in front, the 

 intermediate pair at their apex beneath, and the claw-joint of 

 the tarsi ferruginous; wings subhyaline, their apical margins 

 clouded, nervm'es ferruginous. Abdomen elongate, the apical 

 margins of the segments have a fringe of white pubescence, more 

 or less interrupted in the middle ; the apical segment has late- 

 rally a tuft of fuscous pubescence; beneath, all the margins 

 fringed with short white pubescence. 



Hab. Northern India. (Coll. J. S. Baly, Esq.) 



85. Halictus constrictus, n. s. B.M. 



Male. Length 3-3i hues. — Black, the head and thorax 

 closely punctured, the face clothed with fulvous pubescence in 

 recent specimens, fading to white ; apex of the clypeus yeUow. 

 The pubescence on the thorax fulvous, thinly scattered on the 

 disk, more dense on the sides and beneath ; the anterior tibiae, 

 the apex of the intermediate and posterior pair, and all the tarsi, 

 of a fulvous yellow ; wings subhyaline, nervures ferruginous, te- 

 gulae rufo-piceous. Abdomen closely punctured, elongate-ovate, 

 the margins of the segments much depressed, the apical margins 

 of the segments fringed with pale pubescence, more or less inter- 

 rupted in the middle ; beneath rufo-piceous, the margins of the 

 segments palest, the second and third fringed with pale pubes- 

 cence, the apical ones M-ith fulvous. In specimens which have 

 been exposed the pubescence becomes white. 

 Hab. Northern India. 



86. Halictu.s subopacus, n. s. B.M. 



Female. Length 4 lines. — Black, the head closely and 

 strongly punctured, the thorax coarsely and the abdomen very 



