120 Mr, Matthews's Descriptioiu of Nnr 



longitudinal depression on each side near the eye ; eyes 

 small, not prominent ; antennae moderate, black. 



Thorax short, transverse, widest near the middle, with 

 the sides much rounded and closely crenate, the anterior 

 angles produced, the posterior margin slightly bisinuate 

 with the angles acute, rugosely and very closely punctured, 

 with the interstices not shining, with a slightly impressed 

 longitudinal channel not extending to the anterior margin, 

 and a broad transverse impression near the anterior and 

 posterior margins. 



Smtellum short, rounded at the sides, rugosely punc- 

 tured. 



Elytra oblong-oval, widest behind the middle, punctate- 

 striate, with eight striae, interstices closely and rather 

 finely punctured, the second and third interstices slightly 

 elevated towards the apex, apex slightly truncate with the 

 sutural angles acute. 



Legs simple, rather long and slender, black. 



Under i^ai'ts dull black, moderately punctured ; metas- 

 ternum moderately produced between the coxae, with the 

 extremities rounded and eraarginate. 



Differs from A. insolens in its smaller size, dull black 

 colour, and almost black pubescence ; longer, narrower, 

 and much more depressed form ; shape, size, and sculpture 

 of all its parts, especially of the scutellum and thorax, in 

 which last the central line does not extend to the anterior 

 margin and is much less deeply impressed. 



Hahitat, Vancouver's Island. 



