272 DTNASTlNiE. 



Genus PACHYORYCTES. 



Pachyoryctes, Arrow, Trans. Ent. Soc. Lond. 1908, p. 349. 



Type, Paclvioryctes solidus, Arrow. 



Range. Burma. 



Form very robust. Clypeus tapering and bidentate at tbe end. 

 Mandibles very prominent, blunt in front and sinuated at the lateral 

 margins. Maxillae stout, broad at the extremity, where they are 

 armed with a series of about eight minute teeth ; palpi moderately 

 long, with the 1st joint slender, the 2nd and 3rd inflated and the 

 4th long. Mentuin thick and rather broad ; labial palpi with the 

 last joint large and the preceding ones very small. Front tibia 

 strongly and almost equally tridentate, middle and hind tibiae 

 strongly spinose at the extremities. Tarsi moderately long and 

 slender, with the first similar to the succeeding joints. Prosternal 

 process broad, not long. Propygidium without stridulating 

 surface. 



cJ . Head armed with a long, transversely flattened, strongly 

 curved horn. Prothorax strongly retuse in front. Legs similar 

 to those of 2 . 



$ . Head armed with a blunt tubercle, Prothorax strongly 

 punctured. 



The type species is the only one so far discovered. 



247. Pachyoryctes solidus. 



Pachyoryctes solidus, Arroiv,* Trans. Ent. Soc. Lond. 1908, p. 349. 



Chestnut-black, rather smooth but not very shining, with minute 

 scattered punctures above and scanty reddish hairs upon the 

 sternum, sides of the abdomen and legs. 



S . The body is very robust and convex. The head is triangular 

 and sparingly punctured and carries a long strongly recurved horn, 

 the posterior face of which is flattened and slightly excavated. 

 T\\e pronotum is minutely aud sparsely punctured, strongly curved 

 at the sides, with the front angles promiuent and acute. The 

 ])rothorax, except at the posterior and lateral bordei's, is retuse, 

 nearly flat, and very shining, with some large punctures before 

 and behind the posterior margin of the flattened part. This 

 margin is slightly interrupted and depressed in the middle, and 

 elevated at each side into a more or less sharp tooth. The scutellum 

 is rugose, short and very bluntly augulated. The eh/ira have a 

 minute scattered puncturatiou and a single line of larger punctures 

 upon each side of the suture. The apical margins are more thickly, 

 and the pygidium and propygidium are strongly and closely, 

 punctured, 



2 . A little narrower and less convex. The head is very coarsely 

 and rugosely punctured and armed with a slight tubercle. The 



