538 MISCELLANEA ENTOMOLOGICA, NO. IV. 



finely striolate, the thighs are short and compressed, the tibiae and 

 tarsi long and slender. The last five joints of the antennae broad 

 and compressed. 



Long. 4 lines, lat. 2 lines. 



Hah. — Port Augusta, S. Australia (Mr. Masters' Collection). 



36. PTEROHELiEUS NITIDIUSCULUS, n. sp. 



Oblong-oval, black, nitid, of depressed form. Head very 

 minutely punctate, clypeus slightly emarginate and thickened and 

 convex in front, eyes distant. Thorax transverse, deeply emar- 

 ginate in front, the anterior angles reaching as far as the front 

 of the eyes, the margins broad, concave, turned up on the edge, 

 and of a reddish hue, the base lightly bisinuate, the disk very 

 lightly and shallowly foveate at the base and extremely minutely 

 punctate. Elytra scarcely broader than the thorax, and neai'ly 

 three times the length, parallel-sided to near the apex, very nitid, 

 closely and densely seriate-punctate (17 or more rows of minute 

 punctures), the interstices not raised, and fui-nished with glossy 

 granules, sparingly towards the base, more thickly towards the 

 apex, the mai'gins are very narrow and concave. The body 

 beneath and legs are nitid and piceous, the abdominal segments 

 are very minutely punctate and striolate, the thighs are longer 

 and less dilated than in the last species, the prosternum is obtusely 

 pointed behind. 



Long. 5i lines, lat. 2| lines. 



Hah. — South Australia. 



Both this and the preceding species, resemble P. peltahcs of 

 Erichson veiy much in form and general appearance. 



Sub-section III. 



Elytra seriate-punctate, the interstices flat or slightly raised and 



narrow. 



37. Pterohel^us silphoides, Breme. 



Cilibe silphoides, Breme, Mon. Cossyph. I. p. 42, pi. III. fig. 3. 

 not C. silphoides, Latr. and Boisd. 



