Asidtic Species of RhjucUites. 395 



arcuato, subpicco, nitiJo, remote punctato ; antennis nigris, bre- 

 vibu3, sul»basalil)us, art. duobus basalibus »(jualibus, quam tertio 

 quarto(jue paulo longioiibus, (piinto breviore, fj°, 7°, 8** rotundatis, 

 raoniliformibus; clava magna, distineta, art. duoVms basalibus trans- 

 versis, ultimo ovato; protboracc majusculo.subtransverso, utrinque 

 rotuiulato, in medio angusto sulcato, remote punctulato ; elytris 

 fortiter sulcato-punctatis, punctis subcjuadratis approximatis, in- 

 terstitiis uniseriatim levitcr punctulatis ; tibiis costulatis. Long. 

 2iUn. 



Hob. Penang. 



In tlie size and form of its licafl this species approaches the 

 genus Auhtes. 



L'hjnch itcs ten u irostris. 



It. niger, nitidus, parcius nigro-setulosus ; cajnte antice modice lato ; 

 rostro tenui, fere recto, glabro, ba.si breviter tricarinulato ; oculia 

 valdc prominulis; antennis longis, subbasalibus, articulis 7°, 8" 

 longitudine 3°, -t° tequalibus ; clava distincta, elongata ; prothorace 

 oblongo, subcylindrico, remote punctulato ; elytris fortiter striato- 

 punctatis, striis pilis albidis in serie unica remote obsitis, inter- 

 stitiis modice convexis, remote uniseriatim punctulatis ; tibiis longe 

 pilosis costulatis. Long. 2| lin. 



Hah. Sarawak. 



This and the preceding, althougli agreeing in the broad 

 head, liave radically different antenna, and are in other respects 

 very dissimilar. 



lihyncldtes coralUnns. 



R. coccineus, nitidus, apice rostri tibiisque infuscatis ; capite pone 

 oculos elongate, in medio transversim constricto, vage subtiliter 

 punctulato ; rostro prothorace sesquilongiore, basi culminate, api- 

 cem versus sensira fortiter dilatato ; oculis prominulis ; antennis 

 nigris, articulis tertio quartoque longioribus et aequalibus, sequen- 

 tibus sensim bre\-ioribus et paulo latioribns, quinto sextoque 

 minus triangularibus ; tribus uUirais praecedenti vix crassioribus ; 

 prothorace v-ix longiore quam latiore, antice angustiore, utrinque 

 rotundato, subvage punctato ; scutello triangulari, sed fere inviso ; 

 elytris suboblongis, profunde sulcato-punctatis, interstitiis elevatis, 

 confertim punctatis, griseo-pubescentibus ; tibiis integris ; tarsia 

 articulo basali, praesei'tim posticis, elongate. Long. 3 lin. 



Hab. Malacca. 



This is an aberrant species, and when the sexes are known 

 may probably be regarded as generically distinct. 



28* 



