38 Mr. F. P. Pascoe 071 neio Genera and Species of 



being open behind. The same authority also credits them 

 with conical anterior coxge. I do not know the American spe- 

 cies ; but in B. Schneideri they are slightly transverse*, and 

 they are still more so in the present genus. Although I can- 

 not agree to separate Boros from the Tenebrionidae, as Dr. 

 Leconte and M. C. G. Thomson have done, yet it seems de- 

 sirable to keep them apart from Calcarinm^ with which they 

 do not appear to be very intimately connected. 



Tanylypa morio. PL XI. fig. 4. 



T. nigra, nitida ; prothorace basi trifoveolato ; elytris seriatim 

 punctatis. 



Hob. Tasmania. 



Black, shining ; head and prothorax very finely punctured, 

 the latter with three very distinct fove^ at the base ; scutellum 

 semicircular ; elytra rather strongly punctured in closely ap- 

 proximate rows, the sutural row diverging near the scutellum, 

 a very short one taking its place ; body beneath and legs dark 

 pitchy, smooth and shining ; antennae glossy ferruginous ; fore 

 tibiae with a delicate fringe of hairs within. Length 6 lines. 



The three following appear to be degraded Tasmanian forms 

 of Cestrinus, Er. f, and are closely allied ; they are narrower 

 and more feebly constructed, and the prothorax wants the ex- 

 panded margin. Opatrum piceitarse^ Hope, belongs to this 

 genus ; with this species his Isopteron opatroides exactly 

 agrees, only the latter has clear ferruginous antennae. The 

 same author's Platynotus insidaris is, I believe, another mem- 

 ber of the genus. The descriptions of these insects and some 

 others, in the ^ Transactions of the Entomological Society ' 

 (ser. 1. vol. iv.), were very concise; and they were left un- 

 ticketed, as Prof. Westwood informs me ; so that they had 

 afterwards to be determined by these descriptions. As the 

 vast collection of Mr. Hope was at his death in some disorder, 

 it is not impossible that in some instances the true types may 

 have been overlooked. 



Cestrinus aversus. 



C. elongatus, subdepressus, fuscus, subnitidus, subtiliter sparse 

 griseo-pubescens ; elytris striate -punctatis, obovatis. 



Hah. Tasmania. 



Elongate, subdepressed, dark brown, slightly nitid, finely 



* M. C. G. Thomson characterizes them as '* ovato-globosae " (Skand. 

 Col. vi. p. 326). 

 t Wiegm. Arch. 1842, i. p. 172, 



