1916.] NATURAL SCIENCES OF PHILADELPHIA. 595 



hairs, compared with the original description of A. (P.) subchalybea 

 Viereck this species differs as follows: head with its facial line : trans- 

 facial line :: 40 : 57, axial line : temporal line :: 23 : 13, covered 

 throughout with whitish hairs, front finely longitudinally striate, 

 frontal crista well developed, foveal hairs ochreous, fovea extending 

 nearly to the antenna! line, joint 3 of antennae : 4 + 5 :: 7 : 6, 

 flagel beyond the sixth joint rather pale brownish beneath, face with 

 indist inci punctures that are as many as five or more puncture widl hs 

 apart and indistinctly reticulated, clypeus sculptured much like the 

 face, clypeus mostly faintly bronzy, its tegument easily seen through 

 the rather thin pubescence, labrarea subtruncate, almost pointed at 

 apex, labral fringe golden; thorax including pleurae with whitish 

 hairs except on the tergum where the hairs have an ochreous tinge, 

 subcosta blackish, stigma and rest of veins almost concolorous, 

 dark brownish stramineous, stigma, costa and radial vein darkest, 

 second abscissa distinctly shorter than the first transverse cubitus, 

 less than half as long as the third and hardly longer than the fourth 

 abscissa of the cubitus, nervulus interstitial and forming an acute 

 angle with the first abscissa of the median vein, legs brownish, 

 covered with whitish or pale ochreous hairs, hairs of femora and 

 tibise rather ochreous, scopa almost typical in character, mostly with 

 long, simple, ochreous hairs, hairs along the upper edge shorter, 

 darker and branched, hair at base of scopa brownish, hair on under 

 side of metatarsi golden, onychii and claws as well as the small tarsal 

 joints yellowish stramineous, the claws with dark tips; propodeum 

 with its enclosure poorly defined, finely, rather indistinctly reticulate 

 except for some feeble rugae down the middle and along the basal 

 margin, rest of the upper aspect or the propodeum more distinctly 

 reticulated; abdomen with the second tergite depressed hardly more 

 than one-fourth, tergites satiny, ventral aspect of first and second 

 tergites also brownish, second, third and fourth tergites with a dis- 

 tinct apical band of appressed whitish hairs that is interrupted 

 medially on the second and third tergites, fimbria pale golden 

 brown, pygidium mostly hidden by the fimbria, its apex nearly 

 pointed and blackish. 

 Andrena Ptilandrena) francisca now spocios. 



Type. — No. 4,026. The Academy of Natural Sciences of Phila- 

 delphia. 



Type Locality. — California. (No further data.) 



Related to A. (P.) ccerulea territa Cockerell. 



Female. — Length 9.5 mm.; body bluish, covered mostly with 



