682 REVISION OF THE GENUS HETERONYX, 



fortiter sat sparsim, prothorace minus fortiter subcrebre, elytris 

 fortius subcrebre, pygidio minus fortiter minus crebre, punctulatis ; 

 labro clypeum late sat fortiter superanti ; antennis 9-articulatis ; 

 unguiculis sat elongatis appendiculatis, unguiculorum posticorum 

 parte basali apicali parum longiori, fortiter compressa ; coxis 

 posticis metasterno sat brevioribus ; prothorace canaliculato. 



[Long. 4, lat. 2 lines. 



The " trilobed " appearance of the head is fairly well defined, 

 the middle lobe as long, and nearly as wide, as the lateral lobes. 

 The clypeas is only feebly emarginate and is finely margined all 

 across, its plane not continuous with that of the rest of the head, 

 its suture well marked and widely angulated. The prothorax is | 

 again as wide as long, its base |- again as wide as its front which 

 is somewhat deeply concave with well produced sharp angles ; the 

 sides are nearly straight ; the base is distinctly bisinuate with the 

 middle scarcely lobed hindward ; the hind angles are from some 

 points of view almost sharply rectangular. The elytra have no 

 trace of strise, their transverse wrinkling is little noticeable, their 

 lateral fringe normal, their apical membrane distinct. The hind 

 coxae are about intermediate in length between the metasternum 

 and 2nd ventral segment ; they, the metasternum, and the ventral 

 segments are punctured somewhat strongly and closely at the 

 sides and more sparsely towards the middle, the hind coxse having 

 a well-defined Isevigate antero-internal space. The ventral series 

 consist of fine hairs and are very inconspicuous. The hind femora 

 are not very much wider than the intermediate, their inner apical 

 angle being scarcely defined. The external teeth of the front 

 tibiae are as in R. luhricus except that the uppermost is not quite 

 so small in proportion to the others. The strongly compressed 

 basal piece of the hind claws is a conspicuous character. 



Blue Mountains, N.S.W. ; sent by Mr. T. G. Sloane. 



H. CONCOLOR, Macl. 



I have before me two examples of an insect sent to me under 

 this name by Mr. T. G. Sloane, who states that they were taken 



