286 AMERICAN HYMENOPTERA. 



Bombus appositus Cresson, Syn. Hym. No. Amer., 1887, p. 307 

 (Catal.). 

 " " Ant. Handlirsch, Ann. Naturh. Hofmus. Wien, 



III, 1888, p. 234. 

 Dalla Torre, Cat. Hym., X, 1896, p. 511 (Catal.). 

 Cockerell, Bull. Sci. Lab. Den. Univ., XI, 1898, p. 

 71. 

 " Cockerell and Porter, Ann. and Magaz. Nat. Hist., 



Ser. 7, IV, 1899, p. 389. 

 Cockerell, Psyche, IX, 1901, pp. 272 and 282. 

 Titus, Can. Ent., XXXIV, 1902, pp. 38 and 40, 

 9 S cf . 

 borealis Titus, Can. Ent., XXXIV, 1902, p. 40. 

 appositus Viereck, Trans. Amer. Ent. Soc, XXIX, 1903, p. 

 44. 

 Viereck, Can. Ent., XXXVI, April, 1904, pp. 98 



and 99. 

 Viereck, Trans. Amer. Ent. Soc, XXXII, July, 



1906, p. 240. 

 Viereck, Trans. Amer. Ent. Soc, XXXII, July, 



1906, p. 242. 

 Cockerell, Trans. Amer. Ent. Soc, XXXII, Nov., 



1906, p. 313. 

 Cockerell, Bull. Amer. Mus. Nat. Hist., XXII, 



Dec 17, 1906, Article XXV, p. 453, n. 114. 

 Univ. Color. Studies, IV, 1907, p. 258. 

 Fletcher and Gibson, Can. Ent. Rec (Ann. Rep't 

 Ent. Soc. Ont.), 1908, p. 111. 



Types, — Type specimens of queen, worker and male are 

 in the collection of the American Entomological Society. 

 These specimens came from Colorado, New Mexico, Utah 

 and Nevada. 



Greater pari of face, occiput and anterior part of dorsum of thorax 

 covered with whitish pile ; a black band between the bases of the wings ; 

 scutellunt covered with tawny yellow pile ; first five dorsal segtnents of 

 abdotnen covered with tawny yellow pile, apical segments black. 



Queen. Head. — Face above and below the bases of the antennae 

 largely covered with whitish pile ; occiput well covered with a tri- 

 angular patch of whitish pile extending forward nearly to the ocelli ; 

 sides of head behind the eyes bearing rather scanty dark brown pile. 

 Labrum much as in B. affinis, but with borders of the tubercle-like 

 areas broadly rounded over and much less sharply elevated; trans- 

 lucent spots small or absent. Malar space fully one-third as long as 

 the eye. Antenna with third segment nearly as long as the fourth and 

 fifth taken together ; fifth segment distinctly longer than fourth. 



