Pomona College, Claremont, California 97 



Osniia pumihi. Frieze Det. Cr. Claremont, Gal., Bray. May, 

 Fl. Mustard. 



Osm'ui cyanopoiid sp. ii. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Osiiiia rydiiosoiiiii. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Osmiii ii'ic/rolxuld sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Hoplilis sdiiibiui. Titus Det. Ckll. Claremont, Cal. April, 

 Poppy. 



Hoplitiiia penlamera. Ckll. Det. Ckll. Claremont, Cal., Baker. 



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



Alcidamea hypocrita. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Osm'ui iiielaiioplcurn sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Autliidhiiii iiiti(iili)S(inii. Cr. Det. Cr. Claremont, Cal., Baker. 



Diauthidiitm illiistri. Cr. Det. Ckll. Claremont, Cal., Baker. 



Aiithidiiini pallivoitrr. Cr. Det. Br. from Coll. Claremont, 

 Cal., Baker. 



Jnlliidiinii Iriciispidiiui. Prov. Det. Ckll. Claremont, Cal., 

 Baker. 



D'uinlliidiniii coiis'nnilf. Ashmead Det. Ckll. Claremont, Cal., 

 Baker. 



Diiiiithidiiiiii rolierlsiiii'i. Ckll. Det. Ckll. Mountains near 

 Claremont, Cal., Baker. 



Aiilliidiinii tiiit/fliiniiii. Titus Det. Ckll. Claremont, Cal., Baker. 



DimitliidiiDii pro-caiuhtTi. 'Titus Det. Ckll. Claremont, Cal., 

 Baker. 



Dioxxs prodiidii. Cr. Det. Ducke. Claremont, Cal., Baker. 



Dioxys pDwtni.r. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Cot'lioxys mi'ijalricJia sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Cbflioxxs anyiilifi-ni sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Xeiwglossa aiigt-licci. Ckll. Det. Ckll. Claremont, Cal., Baker. 



ANDRENID.^. 



AndifHii pnrter.r. \'ier. Det. Ckll. Claremont, Cal., Baker. 



