524 MR. F. P. PASCOE ON THE COLEOPTERA OF PENANG. [Nov. 22, 

 EURYARTHRUM NODICOELE. (PI. XLII. fig. /•) 



E. atrum ; prothorace later aliter subtrinodoso ; elytris bifus- 

 ciatis, supra planatis, apice singulatim biapiculatis ; antenna- 

 rum, articulis ultimis sex rufo-ochraceis. 



Black ; mesial line on the vertex nearly obsolete ; prothorax irre- 

 gular at the side, slightly trinodose, a yellowish line along the pos- 

 terior margin ; scutellum small, triangular, yellowish ; elytra flat 

 above, declivous at the sides, the apex of each biapiculate, the inner 

 apiculus a prolongation of the sutural line, two yellowish bands at 

 equal distances from each other and the base and apex ; antennae 

 with the last six joints reddish yellow. Length 1 1 lines. 



EURYARTHRUM LAMBII. 



E. atrum ; protkorace lateraliter obsolete nodoso ; elytris bifas- 

 ciatis, planatis, apice singulatim biapiculatis ; antennarum 

 articulis ultimis quinque rufo-ochraceis. 



Black ; mesial line confined to a narrow well-marked impression 

 between the eyes ; prothorax slightly irregular at the sides, a white 

 line along the posterior margin ; scutellum subtriangular, black ; 

 elytra flat above, declivous at the sides, the apex of each biapiculate, 

 two white bands at equal distances from each other and the base 

 and apex ; antennae with the last five joints reddish yellow. Length 

 8-10 lines. 



EURYARTHRUM CARINATUM. 



E. atrum ; protkorace latiore, lateraliter obsolete nodoso ; elytris 

 medio unifasciatis, planatis, depressis, utrinque carinato-de- 

 clivis, apice singulatim biapiculatis ; ant. art. ult. sex rufo- 

 ochraceis. 



Black ; mesial line well marked between the eyes, and joining the 

 transverse impression below them ; prothorax much broader and 

 more transverse than in the two preceding species, obsoletely nodose 

 at the side, bordered with a white line posteriorly ; scutellum tri- 

 angular, white ; elytra flat or almost concave above, especially pos- 

 teriorly, the angle at the commencement of the declivous portion 

 strongly marked, or even ridged, the apex of each shortly biapicu- 

 late, a single whitish band nearly in the middle, slightly interrupted, 

 however, as it crosses the ridge ; antennae with the last six joints 

 reddish yellow. Length 6-7 lines. 



EURYARTHRUM INTERRUPTUM. 



E. atrum; prothorace lateraliter rotundato ; elytris bifasciatis, 

 planatis, depressis, utrinque minus declivis, apice obsolete trun- 

 catis ; ant. art. ult. sex rufo-ochraceis. 



Black ; mesial line deeply cut between the eyes and joining the 

 transverse impression below them ; prothorax rounded at the sides, 

 bordered with white posteriorly ; scutellum small, triangular ; elytra 

 flat, particularly at the base, less declivous, and without trace of a 



