AMERICAN HYMENOPTERA. 123 



vated, the apical margin transversely compressed, deeply notched centrally 

 and more or less coarsely serrate on each side. Length .42 inch. 

 Hah. — Georgia, (Morrison). One specimen. 



]VIegachiIe georgica. — ?. — Form narrow, elongate, subparallel, black, 

 subopaque, closely and strongly punctured 5 head broader than thorax, sides 

 of face and cheeks clothed with griseous pubescence, clypeus coarsely punc- 

 tured; pro- and metathorax and pleura with rather long griseous pubescence; 

 wings more or less dusky especially on apical margin; legs slender, black, 

 clothed with short pale pubescence, tarsi slender; abdomen with parallel 

 sides, segments 2 — 4 deeply transversely impressed near base and together 

 with basal segment narrowly fringed at apex \v\i\x short white hair, longer 

 laterally, the surface sparsely punctured; ventral scopa white or yellowish- 

 white. Length .50 inch. 



%. — Eesembles the 5 but with the pubescence more dense and snow-white, 

 that on face and clypeus long and dense; fiagellum dull testaceous beneath; 

 legs slender, clothed with white pubescence, anterior coxse each with a black 

 spine, tarsi pale brown, the anterior pair with joints one and two dilated; sixth 

 segment of abdomen deeply notched on apical middle ; ventral segments fringed 

 at apex with long snow-white pubescence. Length .45 inch. 



Hah. — Georgia, (Morrison). Six specimens. 



Blegachile arara. — %. — Black; face, clypeus, cheeks, thorax, four an- 

 terior legs, and abdomen at base, sides and apex clothed with a long, dense, 

 pale pubescence, that on vertex and disk of mesothorax more or less black; 

 wings dusky at tips ; anterior coxse .each with a black spine, their femora and 

 tibiae more or less fulvous within, and with the tarsi fringed beneath with a 

 long dense white pubescence, that on tarsi within tipped with black, the basal 

 joints of the latter dilated, but not broadly so, fuscous or dull testaceous, the 

 upper margin of basal joint grooved on inside and fringed with short black 

 hairs; intermediate tarsi also dilated, and densely clothed with pale yellow 

 pubescence; abdomen subquadrate, shining, the pubescence, especially at base, 

 long and pale, but not concealing the surface which is feebly sculptured, on 

 segments four and five the pubescence is mostly black and the lateral apical 

 margin fringed with white hairs; sixth segment broadly emarginate on apical 

 middle, and clothed beneath with long pale pubescence. Length .45 inch. 

 Hah. — Georgia, Colorado, (Morrison). Eight specimens. 



Megachile otomita. — 'J,.^Black, shining, closely and strongly punc- 

 tured; head rather wider than thorax, the face and clypeus clothed with a 

 long dense white pubescence, shorter on cheeks beneath and sparing on vertex; 

 mesothorax with short sparse pale pubescence, slightly mixed with black, that 

 on scutellum, metathorax and pleura long and pale; tegulse piceous; wings 

 dusky at tips; anterior coxse each with a long acute spine, the three basal 

 joints of their tarsi dilated, concave within and clothed outwardly with white 

 pubescence; four posterior tarsi fringed with long white pubescence; abdo- 

 men short, convex, basal and apical segment with long pale hairs, base of 

 segments two and three, and the remaining segments entirely covered with 

 a dense bright fulvous scale-like pile; sixth segment bidentate at tip. Length 

 .40 inch. 



Hah. — Mexico, (Sumichrast). Four specimens. 



