161 



while the examination of the concealed sternites reveal a seventh sternite 

 like that figured by Metz for ncvadcnsis, the eighth sternite is indistin- 

 guishable from that of his H. calviis. 



Type S , allotype, and ])aratyi)es in the autlior's eolleetion. 



Hylaeus nevadensis (Cockerell). 



(3ne 6 collected at Big Lake near !Mt. Washington, Oregon 

 (Bridwell) seems certainly this species. The narro\y margin 

 of the siipraclypeal area is white like the clypeus and sides of 

 the face. This is the case also in some indiyidnals of H. 

 poll foil I. 



Palaeorrhiza imperialis (Smith). 



Prosopis itnperialis Smith. Jour. Linn. Soc. Zo<j1. 7 :44 

 9 Dory 18C)3. 



Prosopis malacliisls Friese {nee Smith). Ann. Mns. Hung. 

 7:184 $ Tenimber Larat 1901). 



Palaeorrhiza Muiri Perkins. Ann. Mag. Xat. Hist. (8) 19: 

 103 6 Amboina 1912. 



The description of Prosopis malaehisis Friese S does not 

 mention the carinae on the third nor the angulate second stern- 

 ite but otherwise agrees perfectly. 



One 6 collected on Amboina July-Augitst 1908 (F. ^[uir). 



It seems likely Prosopis malaehisis Smith is also a Pala- 

 eorhiza. 



(?) DIPHAGLOSSIDAE 



22. BixcjiiAMiELLA AXTiPoDKS (Smith). 



Sphecodcx antipodes Smith. Cat. Tlym. Brit. Mus. 

 1:37 9. 1853. 



Binghatniella antipodes Cockerell. Bull. Am. Mus. Xat. 

 Hist. 23:235. 1914. 

 2 9 3 .5 Stradbroke I. Moreton Bay, Queensland (J. C. 

 Bridwell), Sept. 20, 1915. 



The tongue of this bee is truncate at apex, scarcely emarginate. ciliate 

 .U apex, excavated above, the paraglossae about as long, obliquely deltoid. 



