208 ENTOMOLOGICAL NEWS. [September, 



central sulcus deeply impressed on the upper portion of the lateral lobes 

 which are much longer than deep, the lower margin sinuate, the anterior 

 and posterior angles broadly rounded. Tegmina very abbreviate, just ap- 

 pearing from under the pronotum. Abdomen very heavy and corpulent. 

 Limbs very slender ; posterior femora and tibiae very long, the spines on 

 the external margin of the latter numbering 29. Ovipositor rather stout, 

 the superior and inferior margins serrato-dentate, the former for about 

 one-third and the latter about one-fourth of the total length. Subgenital 

 plate with a moderately deep triangular incision. General color above 

 brownish purple, extending from the tip of the vertex to the last segment 

 of the abdomen ; the sides of head, pronotum and abdomen and lower 

 surface pale yellowish green. Front, clypeus and labrum whitish. Pro- 

 notum with the general tint of the disk bordered by a broken black line, 

 which is continued more or less distinctly upon the abdominal segments, 

 this being outlined externally by a line of pea green. Limbs greenish 

 tinged with reddish on the anterior and median femora, the distal extremi- 

 ties of the femora and both the distal and proximal extremities of the tibise 

 black, the posterior femora being basally variegated with black on the 

 outer face. Ovipositor green, the superior margin and tip somewhat 

 infuscate. 



Measurements. 



Total length 20. mm. 



Length of pronotum . . . . . .4.5 mm. 



Length of ovipositor 11.5 mm. 



Length of ant. femora . . . . . .11. mm. 



Length of post, femora ..... 24.5 mm. 



Length of post, tibiae . . . . . -29. mm. 



A Peculiar New Type of Halictine Bees. 



BY T. D. A. COCKERELL. 



Halictiis conanihi, sp. n. ?. Length about 4 mm.; black, with a 

 decided green lustre on head, thorax and abdomen, or it might better be 

 described as very dark green, the surface throughout having a sort of 

 satiny sheen ; head elongate-oval, shaped much as in the Proctrotrypia 

 genus Dissomphalus ( $ ), with the short antenna placed very low do:oi, 

 at least twice as far from the ocelli as from the mouth; clypeus promi- 

 nent, piceous, shining ; a fringe of shining, yellowish hairs beneath its 

 margin ; mandibles whitish, with ferruginous ends ; maxillary palpi long 

 and slender ; flagellum pale ferruginous beneath, somewhat darker above ; 

 tegulae hyaline, not punctured ; wings very short, clear, beautifully irides- 

 cent, nervures and stigma sepia-brown ; first recurrent nervure received 

 by second submarginal cell not much beyond its middle; femora black, 

 knees, tibia and tarsi light ferruginous ; abdomen long and narrow, but 



