70 GEODEPHAGA — CARABIDAE. 



parallel-sided ; thorax comparatively shorter, with basal 

 depressions much deeper and base more obsoletely punc- 

 tured ; striae on elytra rather deeper, third interstice with 

 (generally) two or three impressions. Braemar. 



H. quadri'punctatiis, Dej. 



13 1. Base of thorax punctured feebly or 

 not at idl in middle, posterior angles 

 sharp ; length 3 — 3^ lines. 

 ■ Black, antennae and legs light yellow-brown ; extreme 

 side margin of thorax red. Eare, North Devon. 



H. luteicornis, Duft. 

 li JB. Posterior angles of thorax obtuse or 

 rounded. 



a (I. Sides of thorax strongly rounded ; an- 

 tennae brownish, first joint rust-red, second, 

 third and fourtli l)lackish at base. 

 Black; femora and tibiae brown-black, tarsi reddish. 

 Base of thorax with a deep punctured longitudinal impres- 

 sion on each side, otherwise impunctate ; elytra distinctly 

 sinuate behind. L. 3| 1. Ptather common. 



JI. neglectus, Dej. 



b h. Sides of thorax not much rounded ; an- 

 tennae red-yellow, the middle joints blackish 

 at base. 

 Black, with a bluish reflection ; femora and tibiae pitch- 

 brown, tarsi red-yellow. Base of thorax punctured, indis- 

 tinctly in middle; elytra strongly sinuate behind, apex 

 slightly produced. L. 4 — 5 1. Pv.are. R. tenehrosus, Dej. 

 Ill, Anterior margin of thorax narrower than pos- 

 terior margin. 



1. Length exceeding 4 lines. 



A A. Posterior angles of thorax sharp right 

 angles ; apex of elytra slightly produced. 



Rather fiat. Black ; palpi red, with the base of each 

 joint blackish ; antennae yellow-red, with the second, third 

 and fourth joints generally blackish at the base; legs i)itch- 

 brown, tarsi reddish. Thorax as broad behind as in middle, 

 the shallow basal impressions and their neighbourhood 

 very finely punctured ; eighth interstice on elytra with 

 some impressions at apex. L. 4|- 1. Not common. 



//. mela/ichuiicas, Dej. 



