650 MISCELLANEA ENTOMOLOGICA, NO. V. 



82. HELiEUS ECHIDNA, White. 



App. Voy. Grey, p. 464. — Breme, Mon. Cossyph. I. 64, pi. 

 YII. fig. 1. 



Of a brilliant black, oblong. Head convex, smooth. Thorax 

 a little sinuate behind, rounded on the sides, slightly convex, 

 smooth with two light depressions on each side behind, the mar- 

 gins broad, raised, wavy and feebly folded on the borders, the 

 anterior angles blunt and crossing, the posterior short but 

 recurved backwards. Elytra oblong, smooth, nitid, rounded 

 towards the apex, the disk convex, with three rows of spines on 

 each elytron, two of them near the suture, the third approaching 

 the margin, the spines of the middle ranges are rather irregularly 

 disposed, and are much stronger than those of the lateral ranges, 

 the margins smooth, as large as those of the thorax, rounded 

 behind, raised and wavy. 



Long. 7^ lines, lat. 3^ lines. 



Hah. — King George's Sound. 



8-3. HELiEUS OVATUS, Guerin. 



Voy. de la Coquille, p. 105, pi. V. fig. 7. — Breme, Mon. Cossyph. 

 I. p. 69, pi. V. fig. 2. 



Ovate, convex, smooth, brownish-black. Head small, rounded, 

 rugose, the anterior border of the clypeus emarginate, labrum 

 salient and emarginate ; antennae shorter than the thorax, the five 

 terminal joints larger than the others and a little dilated. Thorax 

 transverse, dull, rugose, emarginate at the posterior angles which 

 are very salient ; the disk convex, the median line elevated as in 

 S.'peronii, on each side of that line at the base are two small 

 fossse ; the margins are narrow and rugose, the anterior angles 

 acute and crossing a little. Elytra rounded towards the apex, 

 and slightly pointed, convex, nitid and irregularly punctate, 

 on each side near the scutellum an elevated costa, sharp and 

 narrow, which terminates at the suture at a third of its length ; 

 beyond this there is another costa scarcely larger than the first. 



