Records of Bees. 20 3 



strongly anil very closely punctured, with a very delicate 

 median line; antennae long and thick, third joint about as 

 long as fourth, flagellura very faintly reddish ; vertex 

 rugosely punctured, with a small shining space next to each 

 lateral ocellus; cheeks rounded, ordinary; mesothorax and 

 scutellum shining, with very strong punctures ; area of meta- 

 thorax well defined, strongly but not very coarsely ridged ; 

 tegulge piceous, ferruginous in middle. Wings reddish 

 hyaline, nervures and stigma dark ferruginous ; second s.ra. 

 rather large, receiving r. n. beyond middle. Legs wholly dark, 

 with light hair, that on inner side of tarsi ferruginous. Abdo- 

 men strongly punctured, the apical depressions bounded by 

 distinct ridges ; second segment in middle depressed nearly 

 one-half; second and following segments with white hair- 

 bands, more or less tailing in middle on second and third. 



In Viereck's table (1907) this runs to A. weedi, from which 

 it is at once distinguished by the sculpture of abdomen &c. 

 In Robertson's table it runs nearest to A. marice, but differs 

 at once by the triangular area of metathorax, not distinctly 

 bounded (apex cut off) behind. In my table in Univ. of 

 Colo. Studies, 1907, it runs near A. critcegi, but that species 

 is entirely different in the appearance of the abdomen &c. 

 Superficially it is not unlike A. lappulce. 



[lab. Colorado (Morrison) : Berlin Museum. 



Andrena subtrita, sp. n. 



? . — Length 9 mm. 



Faintly metallic, the scutellum with a greenish tint, the 

 metathorax blue-black, the. abdomen dark bluish, with con- 

 spicuous broad white hair-bands on the second and following 

 segments, that on second more or less broadly interrupted in 

 middle; hair of head, thorax, and legs dull whitish ; head 

 broad, facial quadrangle much broader than long ; clypeus 

 quite black, but front bluish ; process of labrum very broad, 

 not emarginate ; clypeus with a subsericeous lustre and feeble 

 punctures; third antennal joint a little longer than the next 

 two together; flagellum dark fenuginous beneath; facial 

 fovea? whitish, not separated from orbit, going hardly at all 

 below level of antennae, and about half widih between antenna*, 

 and eyes ; mesothorax and scutellum dull, not evidently 

 punctured ; area of metathorax dull and granular, not defined ; 

 tegulae shining rufo-testaceous. Wings hyaline, faintly 

 reddish, stigma and nervures light ferruginous ; second s.m. 

 narrow, receiving the r. n. a little beyond the middle. Legs 



