96 Journal of Entomology and Zoology 



Xylocopa orsifi'x. Sm. Det. \'ier. Mountains near Claremont, 

 Cal., Baker. April, Wood. 



Xylocopci calif oDiica. Cr. Det. F'riese. Claremont, Cal., Baker. 

 April, Nemophila. 



MEGACHILlDiE 



Megachile pritlng. Sm. Det. Friese. Claremont, Cal., Bray. 

 May, Fl., Cactus. 



Megachile griiidelianuii. Ckll. Det. Ckli. Claremont, Cal., 

 Bray. May, Fl., Poppy. 



Megachile occideutalis. Fox. Det. Ckll. Claremont, Cal., Bray- 



Megachile friigalis. Cr. Det. Ckll. Claremont, Cal., Baker. 



Osmia erythrosmia remotiila. Des. Ckll. Claremont, Cal., 

 Baker. 



Osmia quadriceps. Ckll. Det. Cr. Mountains near Claremont, 

 Cal., Baker. 



Osmia alrocyanea. Ckll. Det. Ckll. Claremont, Cal., Baker. 

 May, Fl., Amsinckia intermedia. 



Osmia propinqita. Cr. Claremont, Cal., Baker. 



Osmia kincaidii. Ckll. Det. Ckll. Mountains near Claremont, 

 Cal., Baker. 



Osmia bemiellrr. Ckll. Det. Ckll. Mountains near Claremont, 

 Cal., Baker. 



Osmia iittegra. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Osmia cobaltina. Cr. Det. Ckll. Claremont, Cal., Baker. May, 

 Lotus glaber. 



Osmia faceta. Cr. Det. Ckll. Claremont, Cal., Baker. 



Osmia clarescciis. Ckll. Det. Ckll. Claremont, Cal., Baker. 

 April, F\., Phacelia tanacaetifolia. 



Osmia granulosa. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Osmia regulina. Ckll. Det. Ckll. Mountains near Claremont, 

 Cal., Baker. 



Osmia edtue, female. Ckll. Det. Ckll. Mountains near Clare- 

 mont, Cal., Baker. 



Osmia playlura. Ckll. Det. Ckll. cotype. Claremont, Cal., Baker. 



Osmia hypochrysea. Ckll. Det. Ckll. Claremont, Cal., Baker. 



