Pliytoj^hagous Coleoptera. 463 



occultum, postice triaugnlarlter amplin.tum ; acetahuUs anticis 

 integris ; mesosternum cuneiforme ; rnetasternum postice iuter 

 coxas posticas spina bifida, armatum. Type A. nasuta. 



This geuus falls into Dr. Chapuis' 26th section, it is separated 

 from Platijxantha and Stenoplati/s by the shape of its antenuse, 

 from Doridea and JEnidea by its elongate form. 



1. Acroxena nasuta, n. 



sp. 



Elongata, parallela, modice convexa, fulva, nitida, siibtus pube 

 grisea sat dense vestita, pectore nigro-piceo, abdomine, tibiis 

 posticis dorso antennisque linea, dorsali nigris ; thorace transverso, 

 lajvi; impuuctato; elytris sat crebre punctatis, interspatiis granu- 

 losis; utrisque punctis duobus ante medium transversim positis 

 nigris. Long. 5-|- lin. 



Mas. Capite magno, clypeo infra autenuis in cretam tvans- 

 versam elevato, margiue antico profunde transversim excavato, 

 medio spina acuta, antrorsum producta armato ; antennarum 

 articulo tertio curvato, ad apicem incrassato. 



Hab. The Hills. 



$ Head broad; clypeus transversely concave, elevated below 

 the antenna; into a strong transverse ridge, fi'om the middle of 

 which the narrow lanceolate carina runs upwards to separate 

 the encarpse; anterior margin deeply and broadly excavated, the 

 middle of the excavated portion armed with a long acute, 

 flattened spine; on the disc immediately behind the base of the 

 latter are two very short acute erect teeth ; labrum large, 

 transversely quadrate, the medial disc slightly concave and 

 furnished with a tuft of erect hairs; antenufe robust, tapering 

 towards their extremity, the third to the fifth distinctly thick- 

 ened, the third curved, clavate, the fourth and fifth each with 

 a longitudinal ridge on the iipper surface, all the joints, with 

 the exception of the apical ones, stained above with nigro- 

 piceous ; eucarpa; transverse, separated from the front by 

 a transverse groove. Thorax before the middle nearly twice 

 as broad as long; sides straight and diverging from the base 

 nearly to the apex, thence suddenly rounded and converging 

 to the apex, hinder angles produced, acute, the anterior ones 

 also produced, obsoletely excurved, obtuse ; disc shining, im- 

 punctate, the sides narrowly margined. Scutellum not longer 

 than broad, its apex emargiuate. Elytra broader than the 

 thorax, subelougate, parallel, moderately convex, rather cc 

 and somewhat closely punctured, the interspaces granulose 



