208 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 55. 



lower margin of clypeus broadly whitish ; mandibles whitish basally, 

 ferruginous apically; flagellum long, erenulated, dusky above, be- 

 coming black on apical part; lateral ocelli about as distant from 

 occipital margin as the diameter of one; thorax dorsally with faint 

 coppery tints; postscutellum much shorter than scutellum, with thin 

 hair not hiding the surface; area of metathorax rather large, angular 

 posteriorly, finely striate all over; prothorax testaceous; wings yel- 

 lowish hyaline; first recurrent nervure meeting second transverse 

 cubital; legs testaceous. 



Frontera, Tabasco, Mexico. Allied to M. aegis Vachal and M. 

 aethautis Yachal, but distinct from both by the combination of tho- 

 racic and abdominal characters. 



Type.— C^t. No. 21682, U.S.N.M. 



NoMiA, subgenus Nomiapis, new subgenus. 



This is proposed for the subgenus described by me^ as typical 

 Nomin; type N . diversifes Latreille. Meade- Waldo has shown that 

 the Asiatic N. curvipes is the true type of Nomia. 



MEGACHILE ATRATA Smith. 



Female. — Fergusson Island, British New Guinea. This is the form 

 with dark fuliginous wings ; it agrees with one from Amboina, from 

 F. Smith's collection. The form with translucent orange-tinted 

 wings, broadly pale fuscous on outer margin, which I have from 

 Sumatra (from F. Smith's collection), is to be called M. atrata^ 

 variety fulmpennis {M. fulvipennis Smith). 



MEGACHILE DISJUNCTIFORMIS Cockerell. 



Female. — Tai-peh, Formosa, June 15, 1896. 



MEGACHILE MYSTACEA (Fabricins). 



Female. — Brisbane, Queensland, November 28, 1904. 



MEGACHILE RUFIPES (Fabricins). 



Female. — Axim, Gold Coast, Africa ; from C. R. Mengel. 



COELIOXYS SAUTERI (Cockerell). 



Female. — Tai-peh, Formosa, July 31, 1896. Described as a sub- 

 species of G. afra. 



COLLETES BICOLOR Smith. 



Female. — Bahia Blanca. Argentina (L. Bruner, 6). 



AGAPOSTEMON FESTIVUS Cresson. 



Male. — San Francisco Mountains, Santo Domingo, West Indies, 

 September, 1905 (A. Busck). The hind femora have a small tooth 

 beneath. According to Baker, this is the male of A. poeyi Lucas. 



» Proc. U. S. Nat. Mus., vol. .S8, p. 289. 



