326 MANDIBULATA. COLEOPTERA. 



triangular, with an impression on each side in front : thorax truncate in 

 front and behind, witli four obscure impressions towards the base : elytra 

 rather longer and wider than the thorax, jntch-i/-red, or pitchy, with a very 

 delicate somewhat sericeous pubescence : abdomen above twice as long as 

 the elytra: legs testaceous : antenna scarcely as long as the thorax, slightly 

 thickened exteriorly : mouth reddish. 



Taken near London and in Suffolk. " Taken in windows, and 

 under stones, and common beneath Zostera marina on the shores of 

 the river Orwell." — Kirby MSS. 



Sp. 6. rufipennis. Ater, elytris pedibusque riifis, thorace subimpresso, (Long, 

 corp. f lin.) 



Ca. rufipennis. Kirby MSS.—Steph. Caial. 294. A^o. 3212. 



Black, smooth, nearly glabrous : head nearly as wide as the thorax, suborbi- 

 culate : thorax truncate in front and behind, with the disc obscurely im- 

 pressed: elytra longer and wider than the thorax, red: abdomen much nar- 

 rower than the elytra and three times as long, rather widest towards the 

 apex, which is acute-angular : legs red: antennae shorter than the thorax, 

 slightly thickened exteriorly, with the terminal joint turbinate, rather acute. 



Found in Norfolk, Suffblk, and Devonshire; also, occasionally, 

 within the metropolitan district. 



Sp. 7. affinis. Niger, obscuriusculus, tibiis Jirrugineo-testaceis, thorace obsolete 

 impresso. (Long. corp. f lin.) 



Ca. affinis. Kirby MSS.—Steph. Catal. 294. No. 3211. 



Rather broad, blade, somewhat obscure, head a little narrower than the thorax, 

 somewhat triangular, with an impression on each side in front: thorax trun- 

 cate in front and behind, very obscurely impressed on the disc ; elytra deli- 

 cately punctured, with a fine very short silken pubescence : abdomen about 

 twice as long as the elytra, acute at the apex : legs with pitchy femora and 

 ferruginous tibiae and tarsi: antennae with the basal joint testaceous, the re- 

 mainder black. 



The femora sometimes ferrughious. 



Not common; found in Suffblk and also in Devonshire. 



Sp. 8. obscurus. Ater, obscurus, thorace obsolete bi-impresso, antennis j)edibusque 

 piceis, elytris 7iigro-piceis. (Long. corp. § — 1 lin.) 



Ca. obscurus. Kirby MSS.—Steph. Catal. 294. N'o. 3214. 



Black, obscure, slightly pubescent : head somewhat orbiculate, with two 

 frontal impressions : thorax nearly obcordate, truncate in front, rounded 

 behind, the disc with a slightly curved faint impression on each side towards 



