St 6711)8.] STAPHYLINIDiE. 347 



b*. Elytra at suture rather shorter than 



thorax, strongly widened behind . . . S. EmCHSONI, Rye. 

 ii. Hiud body scarcely bordered behind, cylindrical . S. PALLIPES, Grar. 

 II. rosterior tarsi uot elongate, about halt as long as 

 tibia3. 

 i. Third joint of tarsi bilobed for half its length ; body 

 clotlied with whitish pubescence. 



1. Tarsi black or blackish. 



A. Hind body subparallel, or only slightly nar- 



rowed, 

 a. Elytra rather depressed with surface uneven; 



pubescence longer ; size larger S. PUBESCENS, Steph. 



h. Elytra more convex with surface nearly 



even; pubescence shorter ; size smaller . . S. BINOTAIVS, LJungh. 



B. Hind body strongly narrowed from base to 



apex S. CANESCENS, Rosh. 



(^majnr, Key). 



2. Tarsi testaceous S. pallitaesis, Steph. 



ii. Third joint of tarsi entire, triangular or cordiform. 



1. Form linear, very narrow ; legs entirely yellow- 

 testaceous S. FLAVIPES, Steph. 



(Jilum, Er.). 



2. Form more or less broad ; legs, in part at least, 



dark. 



A. Front segments of hind body with a small keel 



in middle of base; upper surface very shining . S. BIFOVEOLaTUS, Gyll. 



B. Fi-ont segments of hind body without keel 



at base. 



a. Hind body sparingly punctured, especially 



on disc ; surface of elytra somewhat un- 

 even ; upper side shiny. 



a*. Hind body finely punctured, with basal 

 impressions of front segments slight ; 

 form longer, more parallel S. NITIDIUSCULUS, Steph. 



h*. Hind body coarsely punctured; basal 

 impressions of front segments deep ; form 

 shorter, broader, and more fusiform . . S. picipennis, Er. 



b. Hind body thickly and uniformly punc- 



tured ; surface of elytra even or nearly 



even ; upper side dull, 

 a*. Elytra considerably longer and much 



broader than thorax S. PICIPES, Steph. 



h*. Elytra scarcely longer and very little 



broader than thorax S. foveicollis, Kr. 



S. subaeneus, Er. (c/onymelas, Steph.). Black, or black with a slight 

 bronze tint, shining; head much broader than thorax, with broad frontal 

 furrows, and the interval between wide and somewhat elevated ; antennae 

 reddish or pitchy testaceous with the two first joints black and the club 

 pitchy, palpi with the apical joint pitchy, the second pitchy testaceous, 

 and the basal joint testaceous ; thorax rather longer than broad, with a 

 more or less distinct central furrow and two slight depressions behind 

 middle, rather coarsely and strongly, and somewhat irregularly punctured ; 

 elytra plainly longer than thorax and a little more coarsely punctured ; 

 hind body rather strongly narrowed towards apex, with the punctuation 



