Beea from New Mexico. 407 



Andrena semirufa^ sp. n. 



? . — Leii^^tli almost l.'i millim. 



Hlack, with reddisli-ochraceous pubescence^ fairly dense on 

 liead aii(l thorax, fir nitji nous on the nicsothontx and sculel/itni ; 

 hair at apex of abdomen black. Facial quadiai)^lc about 

 square J vertex microscopically tessellate ; lateral frontal 

 depressions receding from the orbital margin below ; aiitennge 

 dark ; clypeiis strongly, densely, and more or less conHuently 

 punctured, with a narrow h^ngitudinal iinpnnctate ridge; 

 process ot" labrum broad, ending in a thickene I truncation, 

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

 minutely punctured ; mcsothorax minutely tessellate, closely 

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

 thorax granular, derined only by an impressed line; tegulaj 

 very dark brown ; wings yellowish, nervures dark br >wn, 

 stigma dark ferruginous ; third submarginal cell narrowed 

 more than half to marginal ; scopa of hind femora and tibiai 

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

 reddish within, spurs orange; abdomen microscopically 

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

 surface of abdomen practically nude, the margins of the 

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

 long pale brownish hairs. 



Hab. 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. nivalis, Sm., from Hudson's Bay. It also 

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

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

 knecht's table of European Andrence (?) it runs to (54, but 

 does not agree with the species there indicated. 



Faranomia Nortoni (Cresson, 1868, as Noniia). 



llab. Las Vegas, July 18, at flowers of Lycium vulyarCj 

 1 (J {IVihnatte Porter). 



Anthophora Porterce, sj). n. 



(J. — 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- 



