Manchestei' Memoirs, Vol. xlii. (1898), A^"^. 11. 27 



soft hairs ; the clypeus with a small tooth on either side, 

 the centre not being incised. Mandibles large ; the basal 

 half yellow ; the apical piceous ; the palpi dirty yellow ; 

 antennae entirely black ; the scape shining, bare, im- 

 punctate; the flagellum covered with a microscopic down; 

 the third and fourth joints equal in length. Thorax shining, 

 glabrous, except for a very slight microscopic pile ; the 

 median segment strongly aciculated, and with six longish, 

 and three very short, irregular, longitudinal keels in the 

 centre, the lateral pairs being united at the apices by a 

 curved keel ; the apex has an oblique slope, is irregularly 

 transversely striated and has an elongated fovea in the 

 middle ; it is closely covered with a short, fuscous pile. 

 Pro- and meta-pleur^ shining; the mesopleurae sha- 

 greened ; the metapleurae with a few oblique, not very 

 distinct, keels. Wings clear hyaline ; the second cubital 

 cellule half as long at the top as it is at the bottom ; the 

 second recurrent nervure is received very shortly beyond 

 the middle of the cellule. Legs stout, covered with a 

 white pubescence ; the tarsi more or less rufo-testaceous ; 

 the base of all the tibiae testaceous all round ; and the 

 anterior more or less testaceous in front ; the hinder pair 

 only testaceous at the base and bearing fine stout spines. 

 Abdomen somewhat shorter than the head and thorax 

 united, shining, pruinose ; the pygidial area strongly 

 aciculated ; the sides distinctly keeled. 



Passaloecus RETICULATUS, Sp. nov. (PI. 4, fig. 2.) 



Nigro-caeriileiLS ; genicitlis, tibiis tarsisquc testaceis, 

 alis hyalims, stigmate fiLSCo, nervis pallide flavis. ?. 



Long. 5 mm. 



Hab. Barrackpore {Rothney). 



Head shining, apparently bare ; black with a greenish 

 hue ; the front broadly hollowed ; the hollow bordered by 

 a stout keel, which originates in the front of the anterior 



