BY WILLIAM MACLEAY, F.L.S., <kc. 625 



to the front of, the head before the eyes. Thorax with a broad 

 flat margin, and a lightly marked median line. Scutellum curvi- 

 linearly triangular. Elytra broadly margined — the margin of a 

 reddish hue, slightly enlarged towards the middle, narrow at the 

 apex, and marked off from the disk by a row of strong punctures — 

 and densely punctate in numerous rows, the punctures small and 

 sub-obliterate, the interstices also sub-obliterate, but a few showing 

 a more costiform appearance than the others. Body beneath sub- 

 nitid, sub-striolate. Antennae, palpi, and tarsi of a reddish brown. 



Long. 9 lines, lat. 6 lines. 



Sab. — Gayndah, Peak Downs. 



This species is quite of the P. piceus type. 



14. Pterohel^us arcanus, Pascoe. 



Ann. Nat. Hist. Ser. 4, Vol. V, 1870, p. 98. 



" Broadly ovate, brownish pitchy, slightly nitid ; head im- 

 punctate ; the clypeus, marked off by a fine line, broad and rounded 

 anteriorly ; prothoi'ax veiy short, deeply and narrowly emarginate 

 at the apex, the middle of the disk with two conspicuous fovese ; 

 scutellum transversely triangular ; elytra moderately convex, with 

 broad foliaceous margins raised and thickened at their edges, each 

 elytron with a glossy elevated ridge or line near the suture, termin- 

 ating posteriorly in a number of small granules, a series of about 

 six more or less elevated longitudinal lines, dotted with granules, 

 on the rest of the elytron, one of these between the suture, which 

 is also marked by a similar line, and the ridge, the remainder, of 

 which the second and fourth are the most prominent, externally, 

 the intervals of the lines minutely punctured in two rows ; body 

 beneath and legs glossy chestnut-brown" (Pascoe). 



Length, 9 lines. 



Hah. — Port Denison, Cleveland Bay ; (" under bark"). 



I have specimens from Cleveland Bay not exceeding 7 lines in 

 length. 



