THE CANADIAN ENTOMOLOGIST. 117 



Body black, thickly punctured, clothed like that of a humble-bee with 

 dense pallid hairs. Head triangular, upper lip subquadrangular, white 

 with a black dot at each upper angle ; nose white, naked ; a bunch of 

 whitish hairs conceals the base of the antennae ; antennae filiform, scarcely 

 longer than the head ; vertex with some black hairs thinly scattered ; 

 occiput fringed with whitish ones ; trunk subglobose, set with longish 

 white hairs ; hairs of the legs mostly black ; tarsi piceous ; the first or 

 dilated joint is armed with a strong and sharp tooth on the inner side at 

 the base ; wings subhyaline with black nervures ; abdomen between glo- 

 bose and triangular, with the three first dorsal segments clothed with long 

 whitish hairs, and the tail and ventral segments with black. 



[272.] FAMILY BOMBID^E. 



377. Bombus sylvicola Kirby. — Length of body 7 lines. A single 

 specimen taken in Lat. 65". 



General hirsuties of the upper side of the body yellowish. Head with 

 a tuft of the same colour below the antennae, and another at the vertex ; 

 trunk with a broad black band between the wings ; hairs of the thighs 

 yellowish ; those of the tibiae black ; tarsi more or less covered with short 

 decumbent pale hairs ; wings somewhat embrowned, with black nervures ; 

 abdomen with a broad, mesal, ferruginous band. 



378. Bombus borealis Kirby. — Length of body 8 lines. Several 

 taken with the preceding. 



[273.] Body clothed underneath with black, above with tawny, hairs. 

 Face and vertex with a tuft of yellowish ones ; thorax, between the wings, 

 with a black hairy band ; wings somewhat embrowned with black ner- 

 vures ; legs black ; abdomen above with a thick coat of tawny hairs palest 

 at the base ; anus black. 



379. Bombus terricola Kirby. — Plate vi., fig. 4. — Length of body 

 9 lines. Taken with the preceding. 



% . This species approaches very near to B. terrestris, but the whole 

 upper surface of the abdomen is clothed with yellow hairs, with the excep- 

 tion of the first segment, the hair of which, and a band near the anus, are 

 black ; the extremity only of the latter is dirty-white ; there are a few yel- 

 low hairs on the metathorax ; and the wings are embrowned. In B. ter- 



