StenilS.'] STAPHYHN1D.E. 341 



rather sparingly pimcturod in centre, more tliickly towards sides, M-ith 

 the first segments each furuislied at hase witli four small longitudinal 

 keels ; the hind body is much narrower and more pointed in the male 

 than in the female ; legs varying from dark to light-reddish brown, with 

 knees darker. L. 2f mm. 



Male with the seventh ventral segment of hind body slightly emargi- 

 nate and the sixth very slightly sinuate on apical margin. 



In (lamp moss, flood refuse, &c. ; nob uncommon, but local ; London district, 

 generally; Cambridge and Norfolk Fens; Devonshire; Scotland, rare, Solway and 

 Tay districts ; Ireland, Armagh: it appears to be found in dry as well as marshy 

 localities. 



S. circularis, Grav. Kather depressed, black, dull ; head with 

 broad feeble furrows, antennte short, dark with ba?e lighter, ]mlpi 

 entirely pale testaceous ; thorax broader than long, with sides strongly 

 rounded, strongly, very thickly, and rugosely punctured, with the 

 surface even ; elytra longer than thorax, and not so closely punctured, 

 rather broad, with an elevation at base between suture and shoulder ; 

 hind body rather short, strongly margined, and strongly narrowed behind, 

 so that it appears conical, front segments each furnished with a plain 

 longitudinal keel at base, punctuation rather fine ; legs lighter or darker 

 reddish testaceous, with the knees occasionally a little darker. L. 

 2-2 1 mm. 



INIale with the seventh ventral segment of hind body slightly sinuate 

 at apex. 



In damp moss, &c. ; on banks of ponds and rivers, and occasionally by 

 sweeping in damp meadows ; very local ; Kltham, Horsell, Cowley, Mickleham, 

 Esher, Cobham, Woking, Norwood, Wimbledon, Tunbridge : recorded also by 

 Mr. Garneys from Bungay (Suliblk), and from Reptou, and by Mr. Haliday from 

 ucar Belfast. 



S. vafellus, Er. {submarginaius, Steph.). Leaden black, rather 

 shining, with distinct short grey pubescence; head large, quite as broad 

 as elytra, with broad shallow frontal furrows, the space between beincr 

 not strongly elevated ; antenna3 moderate, pitchy brown, maxillary 

 palpi dark pitchy red with the first joint pale ; thorax slightly longer 

 than broad, with sides somewhat strongly rounded in front, rather 

 strongly and thickly punctured, sometimes with a tiace of a short doi'sal 

 channel behind middle ; elytra evidently longer than thorax, with the 

 shoulder angles decided, rather strongly and thickly punctured ; hind 

 l)ody rather short, narrowed behind, finely and not thickly punctured, 

 front segments Avith four small keels at base ; legs lighter or darker 

 reddish brown, knees darker, tarsi with fourth joint subcordifoini. L. 

 2i-2| mm. 



Male Avith the sev(nith segment of hind body broadly and slightly 

 emarginate at apex, sixth segment slightly sinuate and depressed. 



This species closely resembles *S'. argus, but has the elytra flatter with 



