186 TAPHROCOMISTER SINGULARIS. 



mediana nigro-brunneis , depressione postica brunuea; capite 

 fere ut ia H. Poweri Lewis , protuberantiis superciliifor- 

 mibus couspicuis, recurvis, squamosis , rostro basi protu- 

 berantiis tuberculiformibus ad latera instructo , in medio 

 sulcato; regione antennali subovata, deplanata , sulcata et 

 squamosa; parte autica paulo recurva, nuda, apice minime 

 ampliato ; antennarum articulis mediauis brevissimis , api- 

 calibus majoribus ; prothoracis dorso canaliculato , regula- 

 riter punctato ; elytris costato-sulcatis. 



Long. 4 mill. 



Hah. Sumatra occid. (Tambaug Salida). — A specimen 

 collected by Mr. J. L. Weyers. 



Head broader than long , channelled in the middle , 

 with the sides raised , curved , scaled , forming over the 

 eyes eyebrow-like excrescencies ; eyes moderate , scarcely 

 visible from above; basal portion of the rostrum broad, 

 very short , with raised , scaled , tuberculiform excrescen- 

 cies at the sides ; the median portion of the rostrum is 

 subovate , depressed , scaled , furrowed in the middle , the 

 remainder portion is curved , narrower , hardly broader at 

 the tip, and naked. Antennae short, rather stout, slightly 

 compressed, with the 3''^ joint obconical, the 4*^ to St^i 

 very short, transverse, the ^^^ and lO^li larger, transverse 

 when viewed sideways , nearly as long as broad viewed 

 from above; the apical joint is shorter than the two pre- 

 ceding ones , ovato-conical. 



Prothorax subovate , narrower anteriorly than at the 

 base , but not so narrow as in Higonius Poweri Lew. , 

 enlarged posteriorly , moderately convex above , slightly 

 depressed in the apical third , furrowed in the middle , 

 punctured , the punctures scaled. 



Elytra emarginate at the base, slightly enlarged at the 

 sides; the apical declivity is perpendicular, circular, and 

 concave, with the margin raised, and laterally projec- 

 ting outwardly, the excavate surface is granulated, slightly 

 scaled at the sides , striate towards the suture ; the elytra 

 are furrowed above, the bt furrow is narrower than the 



Notes from the Leyden Museum, Vol. XVI. 



