Bees from New Mexico. 407 



Andrena semirufa^ sp. n. 



? . — Length almost 13 millim. 



Black, loitli reddish-ochraceous puhescencCy fairly dense on 

 head aiul thovax, ferruginous on the mesothomx and scutellum ; 

 hair at apex of abdomeii black. Facial quadrangle about 

 square ; vertex microscopically tessellate ; lateral frontal 

 depressions receding from the orbital margin below ; antennae 

 dark ; clypeus strongly, densely, and more or less confluently 

 punctured, with a narrow longitudinal impunctate ridge ; 

 process of labrum broad, ending in a thickened truncation, 

 not in the least emarginate ; malar space short, but distinct, 

 minutely punctured ; mesothorax minutely tessellate, closely 

 punctured at the sides, sparsely in the middle ; base of meta- 

 thorax granular, detined only by an impressed line; tegul« 

 very dark brown ; wings yellowish, nervures dark brown, 

 stigma dark ferruginous ; third submarginal cell narrowed 

 more than half to marginal; scopa of hind femora and tibi^ 

 very abundant ; pubescence of tarsi grey-brown on outer side^ 

 reddish within^ spurs orange; abdomen microscopically 

 tessellate, shining, with only minute hair-punctures ; dorsal 

 surface of abdomen practically nude, the margins of the 

 segments not banded j sides hairy ; vertex with thin bands of 

 long pale brownish hairs. 



Hah. Las Vegas Hot Springs, at flowers of Salix, spring 

 of 1899 {Wilmatte Porter). 



Judging from Smith's short description, this must come 

 very close to A. nivalisy Sm., from Hudson's Bay. It also 

 runs to nivalis in Provancher's table of Canadian Andrence ; 

 but it is, 1 think, certainly a different species. In Schmiede- 

 knecht's table of European Andrence (?) it runs to 64, but 

 does not agree with the species there indicated. 



Paranomia Nortoni (Cresson, 1868, as Nomia) . 



Hab. Las Vegas, July 18, at flowers of Lyciuni vulgare, 

 1 c? ( Wilmatte Porter) . 



Anthophora Porterce, sp. n. 



f$ . — Length 15 millim. 



Very robust (6 millim. between the bases of the wings), 

 black, densely clothed on head, thorax, and base of abdomen 

 with erect greyish-white hair, very slightly mixed with 

 black. Clypeus nude, but densely fringed with snow-white 

 hair; clypeus (except the narrow anterior edge), labrum 

 (except two large spots at sides of base), subtriangular (rose- 



