432 Mr. G. J. Arrow on a remarkahle 



Aphodiocopris, gen. no v. 



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

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

 nullis. Antennse breves, 9-articulatse, articulis 3-6 brevissimis, 

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

 anticae contigua3, prosterno medio obsoleto ; coxse intermcdiae 

 paulo obliquse, latae separatee, mesosterni medio latitudine fere 

 ad longitudinem sequali. Metasternum breve, baud antice pro- 

 ductum, sutura recta a mcsosterno separatum. Coxa) posticae 

 latse contiguse. Femora omnia permagna. Tibiae omnes latoe, 

 apice recte truncatse, anticae extus acute bidentatae, absque 

 caleare, posteriores 4 bicalcarati, intermediae longiora, postice 

 ante apicem minute dentatae. Ungues simplices. Mandibula 

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

 palpo gracili. Labium quadratum, absque ligula aut palpis. 



Aplioth'ocopris minutuSj sp. n. 



Rufo-piceuR, totus glaber, supra fuscus, opacus, corpore duplo lon- 

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

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

 noto antice lato, medio fossulato, costis 5 longitudinalibus, 

 quarum mediana brevi aiitica, lateralibus utrinque retrorsum 

 convergentibus, iiistructo, 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. 



Hab. Bengal (Oliota Nagpore) : Nowatoli {Cardon). 



This extraordinary little insect, probably the smallest 

 Lamellicorn beetle liitlierto 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 

 tlie 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 hoUowed-out lateral angles of head 

 and thorax. Eyes are completely absent and the labium is 



