122 Mr. Cameron on 



Trypoxylon canaliculatum, sp. nov. 



Nigrum ; palpis, trocJianteribiis^ geniciilis, calcaria, tar- 

 sisque anterioribus, flavo-alhis, tibim anticis fiUvis ; alls 

 hyalinis, apice fere fimiatis ; tegtilis rtifo-testaceis ; apice 

 petioli abdominisgtie segmentis 2 <?/ j riifis. Long. 9 — 10 mm. 



Antennae covered with a hoary down ; the scape 

 testaceous beneath ; the flagellum more or less fuscous ; 

 the third joint nearly one-half longer than the fourth. 

 Head opaque, closely punctured ; the clypeus, face, cheeks, 

 and eye incision covered with short silvery hair, only visible 

 in certain lights. Front slightly raised, furrowed in the 

 centre ; a not very distinct keel at the end of the furrow. 

 Clypeus bluntly carinate in the centre ; the apex gaping 

 the margin slightly curved before the middle, which is 

 rounded. Eyes at the top separated by fully the length of 

 the third antennal joint ; below the antennae, by hardly the 

 length of the third. Mandibles rufous. Pro- and meso- 

 thorax shining, impunctate ; the sides and breast covered 

 with longish white hair. Metanotum shining ; a wide de- 

 pression in the centre, the depression becoming gradually 

 widened to near the apex, which is rounded ; on either side 

 of this is a narrow furrow, of nearly equal width and con- 

 verging towards the apex ; both are transversely ribbed ; 

 metapleurae finely obliquely punctured. Median segment 

 widely furrowed in the middle, and covered with white hair. 

 Petiole as long as the thorax, broadly dilated at the apex, 

 and tuberculated at the basal fourth ; the second segment 

 distinctly shorter than the third ; sides of apical segment 

 distinctly margined laterally ; indistinctly keeled in the 

 middle. Legs pruinose ; the coxae bearing white hair. 



Hab. Barrackpore, Tirhoot, Mussoorie Hills {Rothney). 



Trypoxylon piliatum. 

 Several specimens from Barrackpore are probably refer- 



