oj the Amazon Valley. 19 



I met with one example only of this most charming species, 

 at S. Paulo on the Upper Amazons, where it was found sunning 

 itself on a leaf on the banks of one of the brooks which run 

 through the virgin forest, 



OenuB CoBELURA, Erichson. 

 ErichsoD, CoDspectus In«. Coleop. Penuna, p. 149. 

 The founder of this genus likened it to Colobothea, mention* 

 Ing as the only characters which distinguish it the depressed 

 body and tumid meaostemum. Cobelura, however, differs from 

 all the genera of the group Colobotheinx in wanting the acute 

 prominent shoulders and sharp lateral carime of the elytra which 

 are characteristic of the group. The genus is more nearly allied 

 to Xyssudrys and HyUttus, differing from both chiefly in the 

 elongate-elliptical shape of the body (which assimilates the spe- 

 cies to the Colobot/tta), unarmed sides of the thorax, tumid 

 meaoatemum, and small sise of the lower lobe of the eyea. Tb« 

 only species described by Erichson is the C. lurigera, inhabiting 

 the forest region of Eastern Peru, which differs greatly from the 

 following iu colours and markings. 



OMwrm pro&xm, n. sp. 



C. elongata, mbdepreaaa, poatiee panlo attenuata, oliTacfo^iea : 

 thorace >-itta lata mcdiana fuaca, nigro marginata : elytris macuUf 

 irregularibus discoidalibus alteraqae laterali majore triangulari 

 ante apicero fuseii, leriter tricostatis. Long. 7^ fin. cf • 



Head clothed with tawny pile. Antenns reddish, bases of 

 the joints pallid or ashy, apices dusky. Thorax much broader 

 than the head, and much narrower than the elytra, conrex and 

 rounded on the sides, the broadest part being the middle ; sur- 

 face olivaceous or tawny ashy, the middle occupied by a broad 

 dusky vitta bordered by black lini ' ' u dusky vitta 



on each side below the lateral . ra elongated 



and rather depressed ; shoulders pruuiment, but obtuse ; Mpex. 

 obliquely sinuate-truncate, with both angles of the truncatare 

 produced (the external one most so), sides destitute of carinsB ; 

 surface of each with three smooth costae, the innermost only 

 strongly pronounced, covered with minute punctures, each bear* 

 ing a short bristle ; dull greenish ashy, with small dark-broim 

 apecks and a larger triangular dark-brown spot on the sidea 

 near the apex. Body beneath obscure tawnv ; middle of breast 

 and abdomen, and terminal segment of the latter, blackish. 

 Legii greenish tawny ; tibia* and tarsi ringed with black. Meso- 

 sternuui with a very large rounded tubercle. 



J Terminal abdominal s^ment with both ventral and doraal 

 plates deeply notched. 



2* 



