1916.] NATURAL SCIENCES OF PHILADELPHIA. 581 



and from one to three puncture widths apart on the depressed 



portion- of the second and third tergites, second tergite with its 

 elevated portion down the middle : depressed portion :: 13 : 6, 

 fourth tergite more sparsely punctured than second and third, fifth 

 tergite with its punctures sparse, ill defined and surrounded by fine 

 reticulation-, pygidium dullish, slightly convex, rounded broadly 

 truncate at apex, tergum with inconspicuous blackish hairs, second, 

 third and fourth tergites without a hair hand, fimbria blackish brown 

 or dark seal-brown. The parts described in italics have been 

 destroyed by museum pests, so the italicised points are what will 

 probably be found in a perfect specimen. 



Andrena (Andrena) subnigripes new species. 



Type. — No. 4,018. The Academy of Natural Sciences of Phila- 

 delphia. 



Type Locality. — Southern California (H. K. Morrison). 



Related to A. (A.) nigripes Provancher. 



Female. — Length 10 mm.; body black, mostly covered wdth pale 

 hairs; head with its facial line : transfacial line :: 55 : 77, axial 

 line : temporal line :: 30 : 17, malar line : joint 3 of antennae :: 1 : 11, 

 elevated portion of malar space nearly as long as depressed portion, 

 head covered with ochreous hairs, except for some scattered blackish 

 hairs or brownish hairs along the inner eye margin, on the clypeus 

 and mandibles, front longitudinally striate, dullish, with a well- 

 defined median longitudinal crista, fovea at most : ocellocular 

 line :: 10 : 16, foveal band poorly developed, dullish, with a few large 

 punctures, fovea nearly contiguous to the upper end of the inner eye 

 margin, distance between fovea and ocelli : ocellocular line :: 5 : 16, 

 fovea constricted near its middle where it is apparently half as wide 

 as the greatest width of the fovea, the latter continued below the 

 constriction as a narrowing depression down to a point apparently 

 midway between the clypeal line and the antennal line, fovea with 

 pale seal-brown hairs above the middle, pale ochreous nearly white 

 hairs below the middle, face partly shining, partly dullish, reticulated 

 and with a few large scattered punctures, clypeus decidedly elevated 

 above the apical margin, feebly convex, with a median longitudinal 

 shining welt at the anterior edge, mostly finely reticulated, dullish 

 and indistinctly punctured, clypearea represented by the welt 

 described above, otherwise wanting, clypeus with its elevated edge 

 shining, labrarea rounded at apex, nearly triangular, width at 

 base : length down the middle :: 14 : 4, labrarea at base nearly 

 two-thirds as wide as the labrum, the latter with a fringe of dark 



