Classification of the Coleopteovus family Dynastidie. 349 



behind and elevated into a liump, but this is not broadly 

 forked in front, but bluntly pointed, the point showing 

 only a trace of bifurcation. In an undeveloped male the 

 armature is reduced to a condition almost indistinguish- 

 able from that of similar examples of T. mongul. 



Pachyoryctes, n. gen. 



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

 Mandibles very prominent, blunt in front and sinuated at the 

 lateral margins. Maxilltc stout, broad at the extremity, where they 

 are armed with a series of about 8 minute teeth; palpi moderately 

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

 4th long. Mentum 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. 



(J. Head armed with a long, transversely flattened, strongly 

 curved horn. Prothorax strongly retuse in front. Legs similar to 

 those of 9 • 



9 . Head armed with a blunt tubercle. Prothorax strongly 

 |iuuctured. 



Pachyoryctes solidus, sp. n. 



Rufo-piceus, robustus, subtus parce rufo-pilosus ; clypeo biden- 

 tato ; prothoracis lateribus arcuatis, angulis anticis acutis ; scutello 

 rugoso, apice obtuso ; elytris sparse minute punctulatis, punctorum 

 serie irregulari juxta-suturali ; proj)ygidio pygidioque crebre fortiter 

 punctatis : 



^ , capite cornu longo, fortiter recurvato, postice planato, armato ; 

 prothorace sparse punctato, antice retuso, j)ostice sat distanter 

 bituberculato : 



$ , capite rugoso, medio tuberculato ; prothorace antice rugoso, 

 postice grosse punctato. 



Long. 40-48 nun. Lat. max. 23-26 mm. 



Hah. Burma : Carin Cheba, 2,700-3,300 ft. 



Two males and a female were collected by Fea. They 

 are 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. 



