432 Mr. G. J. Arrow on a remarkable 



Aphodiocopris, gen. nov. 



Corpus solidum. Pedes validi, tarsis anticis gracilibus, 4 posterio- 

 ribus gracilibus, valde contractus et latis. Caput latum, oculis 

 nullis. Antennae breves, 9-articulata3, artieulis 3-6 brevissimis, 

 clava magna, triphylla. Os a mento toto obtectum. Coxae 

 anticae contiguae, prosterno medio obsoleto ; coxae intermcdiae 

 paulo obliquae, latae separatae, mesosterni medio latitudine fere 

 ad longitudinem aequali. Metasternum breve, haud antice pro- 

 ductum, sutura recta a mesosterno separatum. Coxae posticae 

 latae contiguae. Femora omnia permagna. Tibiae omnes latae, 

 apice recte truncatae, anticae extus acute bidentatae, absque 

 calcare, posteriores 4 bicalcarati, intermediae longiora, postice 

 ante apicem minute dentatae. Ungues simplices. Mandibula 

 glabra, cornea, apice haud acuta. Maxilla brevis, intus pectinata, 

 palpo gracili. Labium quadratum, absque ligula aut palpis. 



ApJtodiooopris minntus } sp. n. 



Ilufo-piceus, totus glaber, supra fuscus, opacus, corpore duplo lon- 

 giori quam latiori, alte convexo, medio paulo constricto, capite 

 lato, supra obtuse tuberculato, antice regulariter arcuato ; pro- 

 noto antice lato, medio fossulato, costis 5 longitudinalibus, 

 quarum mediana brevi antica, lateralibus utrinque retrorsum 

 eonvergentibus, instructo, parte basali medio profunde canalicu- 

 lato, extus oblique striato ; elytris brevibus, longitudine ad pro- 

 noti longitudinem aequalibus, convexis, postice dilatatis, fortiter 

 rotundatis, costis validis 7, prima suturali medio bifida, reliquis 

 medio fortiter flexis, omnibus costulis transversis parum perspieuis 

 internexis, humeris antice productis, acutis. 



Long. 1*5 mm. ; lat. max. "75 mm. 



Hah. Bengal (Chota Nagpore) : Nowatoli (Cardon). 



This extraordinary little insect, probably the smallest 

 Lamellicorn beetle hitherto discovered, seems to have no near 

 relationship with any other insect. It is of extremely solid 

 and compact build, the prothorax evidently capable of little 

 or no separate movement, and the remarkable legs, of which 

 the front pair are stout, with long and slender tarsi, the 

 middle pair long, but. with extremely contracted tarsi, and 

 the hind pair short, with the tarsi still more abbreviated, 

 evidently indicating a very sluggish and peculiar gait. 



The head is broad and has an obtuse elevation upon the 

 vertex. The front margin of the clypeus is evenly rounded 

 and fits closely against the anterior femora and the front 

 angles of the prothorax, the largeantennal club then occupying 

 a cavity formed by the hollowed-out lateral angles of head 

 and thorax. Eyes are completely absent and the labium is 



