47 



152. NiTinui.v DiscoiDK-v /7?^r. —Length of hody t '/} lines. Many 

 specimens taken in Lat. 65°. 



Considerably smaller than the British specimens. Body subdepressed, 

 black, above minutely punctured, subpubcbcent. Stalk of the antennae ; 

 sides of the prothorax, whi<. h has posteriorly a pair of discoidal obsolete 

 impressions, legs and anus, rufous ; elytra with a large anterior discoidal 

 suborbicular pale-rufous spot common to both, in which, in some speci- 

 mens, is a black dot ; apex of the el>tra obscurely variegated with rufous. 

 Fabricus, and after him Mr. Maisham. describes the legs of this species as 

 black ; but others have properly denominated them by the term ferrugi- 

 nous and piceous. In the American specimens they vary in colour from 

 piceous to pale-rufous. 



[107.] 153. Ips De Je.\x\ii Kirhy. —Plate ii., fig. 4. — Length of body 

 2^ lines. Three specimens taken in Lat. 65°. 



Body linear, depressed, thickly and minutely punctured, glossy, black 

 or dark piceous. Head with a punctiform impression in the vertex, and a 

 larger impression on each side between the eves : prothorax quadrangular, 

 rather narrowest behind : elytra piceous or rufo-piceous. with two oblong 

 white spots at the base, forming an interrupted line, and two oblique 

 nearly parallel ones below the middle , legs piceous. In the other sex the 

 elytra are subacuminate. Variety B. With five white spots, viz.: 1,2, 2. 

 [Taken in Canada ; and north shore of Lake Superior (Agassiz).] 



[108.] 154. Choleva (Catops) Spenciana A7r<^_)'. — Length of body 

 2 lines. A single specimen taken. Locality not stated. 



Body black, covered with decumbent pale hairs. Head minutely 

 punctured ; antennae shorter than the prothorax, the two first joints 

 ferruginous, the eighth shorter and smaller than the rest ; mouth and 

 palpi ferruginous ; prothorax not visibly punctured with ail the angles 

 rounded ; base with a slight sinus on each side ; elytra acute, very minu- 

 tely punctured with a hair emerging from each puncture, without furrows 

 except a single one parallel with the suture, ferruginous, black at the tip ; 

 abdomen piceous, rufous at the base : legs ferruginous. [Belongs to the 

 family Silphid(£.\ 



[109.] FAMILY SCAPHIDI1D.€. 



155. ScAPHiUM CA.sTANiPES Kirby. — Plate v., fig. i. — Length of 

 body 3 lines. A single specimen taken in the journey from New York 

 to Cumberland-house. 



Body naked, glossy ; underneath smooth, black, with a very light shade 

 of bronze j above more evidently bronzed, punctured. Mouih, palpi, 

 and antennte. pale chestnut : prothorax behind, on each side, marked v/ith 



