66 ORECTOCHILUS LUCIDüS- 



in marginipennis the tomentous portion is much less deve- 

 loped and the glossy portion , which is visibly reticulated , 

 provided with five glossy grooves; finally in the new spe- 

 cies the truncation of the elytra is a little more convex 

 and the outer angle less pronounced. 



Hab. Java (Blume). — A single 9- 



N. B. I here re-establish the synonymy : OrectocJdlus sub- 

 sulcatus Régimb. = 0. marginipennis Aubé , as I have con- 

 vinced myself of this by comparison with the type specimen 

 of Aubé, from the Collection of Mr. Chevrolat, which is 

 now in the collection of the Brussels Museum. Aubé has 

 wholly neglected to mention the superficial grooves of the 

 smooth portion of the elytra , which had led me to believe 

 the species to be undescribed, 



8. Orectochilus lucidus, sp. n. 



Long. 5^ '2 ^^°^' — Ovatus, sat elongatus, valde con- 

 vexus, gibbosus, antice et postice satis attenuatus; supra 

 uitidissimus , niger, anguste flavo-marginatus ; infra nigro- 

 ferrugineus , thorace medio , abdomine pedibusque rufesceu- 

 tibus ; labro rotundato , nigro ; pro thorace utrinque late 

 (latius antice) punctato-tomentoso ; elytris laevibus , ad api- 

 cem paulo oblique truncatis , angulo externo obtuso , leviter 

 deleto , interno fere recto , baud deleto , utrinque sat late , 

 postice latius , usque paulo ante apicem suturae puntato- 

 tomentosis. cf iguotus. 9 tibiis anticis rectis , angulo externo 

 obtuso , valde deleto. 



Oval , moderately elongate , rather atten uated at both 

 ends , very convex , with the elytra gibbous ; uppersurface 

 of a very glossy beautiful black , narrowly margined with 

 yellow, undersurface ferrugineous black, the middle of 

 the sternum, the abdomen and the legs reddish. Labrum 

 rounded, black; the tomentous border of the prothorax 

 tolerably broad , that of the elytra , of the same width on 

 the sides , widens out posteriorly and attains the suture a 

 little before the apex ; the outer angle of the truncation is 



Notes from tlie Leyden Miusevim, Vol. IV. 



