198 MANDIBULATA. — COLEOPTERA. 



Not uncommon within the metropolitan district; also found in 

 Norfolk and Suffolk. " Hill-ends."— T. C. He?jsham, Esq. « Near 

 Swansea."—!,. W. Dilhoyn, Esq. 



Sp. 29. emarginatus. Ater, clypeo emarginato, subtrituherculato, thorace tenui 

 pvnctato, elytris piceis, tenue punctato-striatis. (Long. corp. 1^—2 lin.) 



Ap. emarginatus mihi.—Steph. CataL 111. No. 1143. 



Black, slightly shining : clypeus somewhat deeply emarginate anteriorly, with 

 three obscure tubercles : thorax rather finely and sparingly punctate, im- 

 maculate, glossy: elytra piceous, but little glossy, punctate-striate, the strife 

 rather faint, and the interstices impunctate: abdomen pitchy-black; legs 

 rufb-piceous. 



The small size of this species, with its very distinctly emarginated and slightly 

 tuberculated clypeus, sparingly punctate thorax, piceous opaque and faintly 

 striated elytra, serve to discriminate it from its congeners. 



Taken near London. 



Sp. 30. melanopus. Niger, nitidus, clypeo rugoso, trituberculato, thorace tenue 

 punctulato, elytris piceo-nigris apice pallidiore, punctato-striatis, pedibus 

 nigris. (Long. corp. 2 lin.) 



Ap. melanopus. Kirby MSS.—Steph. Catal. 1 1 1. No. 1 144. 



Shining black : clypeus emarginated, rugose, with three tubercles posteriorly, 

 and an obsolete curved line in front: thorax rather finely and sparingly 

 punctate, immaculate: elytra pitchy-black, with the apex paler, punctate- 

 striate, the interstices a little elevated and smooth : legs black, with piceous 

 tarsi. 



This small species bas the legs nearly black, the clypeus rugose anteriorly, with 

 an obsolete curved ridge in front, and three small tubercles behind, of which 

 the latter are nearly of an equal size : the pitchy or rufescent apex to the 

 elytra is also a distinguishing cbaracter. 



Found occasionally throughout the metropolitan district; also in 

 Suffolk and Norfolk. " Bottisham." — Rev. L. Jenyns. 



Sp. 3 1 . borealis. Nigro-piceus, nitidus, clypeo vix punctulato, trituberculaio, tho- 

 racis later ibus anteriiis rujis, elytris leviter punctato-striatis, poster itis rufo- 

 piceis. (Long. corp. 2^ lin. ) 



Ap. borealis. Gyllenhal.—Steph. Catal. 111. No. 1145. 



Pitchy-black, shining : head angulated, black, with an elevated margin on both 

 sides anteriorly, of a translucent ferruginous; above obsoletely punctate, 

 with three tubercles on the vertex, of wbich the middle one is stoutest, and 

 the lateral ones oblong, and an elevated, curved, abbreviated line anteriorly: 

 thorax convex, short, rather thickly and deeply punctate, with the anterior 

 angles more or less rufescent : scutellum piceous, with an elevated ridge at the 



