526 MISCELLANEA ENTOMOLOGICA, NO IV. 



15. Pterohel^eus pruinosus, Pascoe. 



Journ. of Ent. II. p. 461 



" Allied to P. piceus, Kiiby, but broader, and the sides more 

 parallel, covered with a fine uniform whitish exudation, and, 

 under the lens, a scattered greyish squamosity ; elytra striate- 

 punctate, with only three very slightly raised lines on each ; 

 body beneath reddish-chestnut ; antenna? and legs ferruginous" 

 (Pascoe). 



Length, 9 lines. 



Hah. — North Australia. 



I have never seen this species. 



16. Pterohel^us costatus, n.sp. 



Of the P. Walkeri form and sculpture, black, sub-nitid. Unlike 

 P. Walkeri, the angles of the epicranium are quite flat, the labrum 

 is more porrect, the base of the thorax is more bisinuate and the 

 posterior angles more produced behind. The elytra are very 

 broad and broadly margined, the costae, seven in number, are 

 distinct, regular and smooth, but not prominent ; the intervals 

 faintly impressed with two rows of small punctures, a single 

 strong row of punctures on the outer side of the 7th costa. In all 

 else the same as P. Walkeri. 



Length, 10 lines, lat. 7 lines. 



Hah. — Port Darwin. 



Seemingly abimdant. 



17. PTEROHELiEUS SINUATICOLLIS, n. sp. 



Broadly ovate, black, nitid. Head minutely punctate, rounded 

 a little in front, the sides rounded and slightly turned up, eyes 



