168 [January 



depressed, deeply and rather closely punctured, somewhat shining; 

 immediately above the elypeus, between the insertion of the antennae, 

 a semicircular prominence which has a few deep punctures; labrum 

 and mandibles polished, the latter tinged with piceous and fringed with 

 pale pubescence; antennae black, more or less tinged with piceous; the 

 flagellum. except the two basal joints, dull rufo-testaceous. Thorax 

 closely and finely punctured, rather densely clothed with short hoary 

 pubescence, that on the mesothorax and scutellum more or less black, 

 that on each side of the metathorax long and dense; scutellum deeply 

 punctured ; posterior face of metathorax flat, channelled down the 

 middle, with the sides feebly punctured, and the base and channel 

 smooth and shining; just behind the postscutellmn a narrow space lon- 

 gitudinally striated and extending the whole width of the metathorax; 

 pleura closely punctured, rather sparsely pubescent, especially just be- 

 neath the wings; tubercles beneath the tegulae clothed with black pube- 

 scence and fringed posteriorly with dense white pubescence ; tegulae 

 piceous-black, smooth and polished. Wings hyaline, the extreme tip 

 tinged with fuscous; nervures black. Legs piceous-black; the four 

 anterior femora densely clothed with long hoai'y pubescence, their tarsi 

 and the posterior tibiae and tarsi with short, dense, yellowish-brown 

 pubescence. Abdomen smooth and polished; base of the first segment 

 clothed with hoary pubescence, the apical margins of the first five seg- 

 ments fringed with white pubescence, widely interrupted on the middle 

 of the three basal segments and entire on the others ; apical segments 

 feebly punctured and thinly clothed with short pale pubescence; be- 

 neath black, tinged with pale piceous towards the tip. Length 5] 

 lines; expanse of wings 8'. lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Genus HALICTUS. Latr. 

 Halictus Poeyi, St. Farg. 

 Halktu.t Poeyi, St. Farg. Hym. ii, p. 271. 



Collection. — Ent. Soc. Philad. Ten (S ?) specimens. 



Genus AUGOCHLORA. Smith. 

 Augochlora Regina. Smith. 



Augochlora Regina, Smith. Brit. Mus. Cat. i, p. 77. 



Collection. — Ent. Soc. Philad. Eight (S ?) specimens. 



This lovely species varies in length from 4 J to 6 lines; some speci- 

 mens are more tinged with bluish than others, and the legs vary from 

 pale piceous to black. 



