1!)1G.] NAT! RAL SCIENCES OF PHILADELPHIA. 567 



-i :: S : 7, joint 4 and following joints nearly twice as long as thick 

 the terminal joint excepted, which is apparently at leasl twice as 

 long as thick, dullish, flagel undulate in outline, antennae blackish 

 throughout) right mandible nearly typical, rather slender, extending 



nearly to the end of the basal fourth of its fellow, black except for 

 the apical third which is mostly dark reddish, palpi slender, nearly 

 typical; thorax covered with an abundance of whitish hairs, that are 

 sparsely mixed with Mack on the dorsulum and scutel, hairs of 

 dorsulum seemingly as long as hair of mesopleurae, dorsulum dullish, 

 finely reticulated and sparsely punctured, the punctures rather 

 indistinct and mostly four or five puncture widths apart, notauli 

 represented by a shining line, mesopleurae with whitish hairs through- 

 out, finely reticulated and mostly covered with shallow pits that are 

 mostly two or three puncture widths apart, scutel hairy and sculp- 

 tured much like the dorsulum except thai it is partly nearly polished, 

 metanotum hairy and sculptured like the dorsulum except that the 

 sculpture is denser, tegulae brownish stramineous, polished, wing 

 base mostly pale stramineous, subcosta blackish, stigma brownish. 

 stramineous with a blackish tinge, rest of veins dull stramineous 

 with a blackish tinge, first recurrent vein received by the second 

 submarginal cell beyond the middle and little nearer to the second 

 transverse cubitus than the first transverse cubitus is to the stigma 

 on the radial vein, nervulus interstitial, forming an acute angle with 

 the first abscissa of the discoidal vein, legs blackish brown excepting 

 the tarsi and hind tibiae which are rather dark brown, legs covered 

 with whitish hairs, hind metatarsi at most hardly wider than mid meta- 

 tarsi and nearly half as wide as hind tibiae at apex of the latter; 

 proptxh urn with its enclosure well defined, finely reticulate, rounded 

 at apex, rest of upper face sculptured somewhat like the mesopleura 1 

 but with smaller pits and covered with whitish hair, propodeal 

 pleura' sculptured apparently like the mesopleurae the sculpture not 

 hidden by the uniformly distributed whitish hairs; abdomen with its 

 tergum shining, finely reticulated and indistinctly punctured, the 

 punctures many puncture widths apart, first and second tergites 

 with erect whitish hairs, third and following tergites with dark or 

 blackish hairs excepting the fifth beyond its base which like the apex 

 of the abdomen is covered with pale brownish hairs, second tergite 

 with its elevated portion down the middle : depressed por- 

 tion :: 23 : 5, fifth tergite with its basal blackish portion covered 

 with poorly defined punctures that are many puncture widths apart, 

 rest of fifth tergite and depressed portion of sixth tergite brownish 



