1:36 THE CANADIAN ENTOMOLOGIST. 



angular band which does not reach the suture, and a posterior crescent 

 or kidney-shaped spot, both of a deep orange ; epipleura black ; wings 

 dusky : trochanters emarginate at the tip. 



139. Necrophorus pygm.kus Kirby. — Plate ii., Fig. 3. — Length of 

 body 6 lines. A single specimen taken in the Rocky Mountains. [Taken 

 at Grimsby, Out., by Mr, Pettit ; north shore of Lake Superior (Agassi/).] 



[99.] This is the smallest known species of the genus. Xose separated 

 by a nearly straight line from the front : rhinarium transverse, not mem- 

 branous ; knob of the antennas black : prothorax nearly circular, there is a 

 slight sinus on each side, and a deeper anterior one : elytra with an 

 anterior angular band dilated at the epipleura, and a nearly semicircular 

 spot at the apex of a dull deep red ; epipleura of the same colour but 

 black at the apex, and with a black spot at the base : posterior trochan- 

 ters emarginate at the tip. 



140. Necrodes [Silpha] Surinamensis Fabr. — Taken in Nova Sco- 

 tia by Dr. MacCulloch. [Abundant on carrion in all parts of Canada.] 



[100.] 141. Oiceoptoma [Silpha] Marginale Fabr. — Length of body 

 6 lines. Several specimens taken in Lat 54 , taken also by Dr. Mac 

 Culloch in Nova Scotia. 



Body oblong, black, very thickly punctured. Head with an oblong 

 punctiform impression in the space between the eyes : the margins of the 

 prothorax, the lateral more widely, are of a pale-red : the whole disk is 

 covered by a large three-lobed black spot, with the lateral lobes the 

 smallest and shortest : the elytra are reddish-brown with three longitudinal 

 ridges, the external One, as usual, stopping short of the apex. In the 

 female the elytra at the apex are subsinuated and subacuminated. [Very 

 common throughout Canada.] 



142. Oiceoptoma [Silpha] lapponicum Linn. — [101.J Taken abun- 

 dantly both in the journey from New r York to Cumberland-house, in Lat. 

 65°, and in Canada by Dr. Bigsby. This species abounds in the huts of 

 the Laplanders, devouring every thing — skins, flesh, and dried fish. [Very 

 common throughout Canada. For description vide Say's Ent. Works ii.. 

 122, who described it as a new species under the name of S. eanda/a.] 



143. Oiceptoma [Silpha] tritubercalatum Kirby. — Length of 

 body 4^ lines. Several specimens taken in the journey from New York 

 to Cumberland-house, and in Lat. 54°. 



[102.] This species appears to be the American representative ot 

 Silpha opara, from which it differs in being smaller, and proportionally 



