Pomona College, Claremont, California 97 



Osm'ta pumila. Frieze Det. Cr. Claremont, Cal., Bray. May, 

 ¥\. Mustard. 



Osm'ta cyaiiopoda sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Osiuiti cyaiiosonui. Ckll. Det. Ckll. Claremont, Cal., Baker. 



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

 Baker. 



Hoplitis scimbiii'i. Titus Det. Ckll. Claremont, Cal. April, 

 Poppy. 



Huplitina pcnUimera. Ckll. Det. Ckll. Claremont, Cal., Baker. 



Osniia pogonigera. Ckll. Det. Ckll. Claremont, Cal., Baker. 



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



Osmia iiiehiHopleiini sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Anthidiiim iHticiilo.uiini. Cr. Det. Cr. Claremont, Cal., Bakc-r. 



Diatithidium illitslri. Cr. Det. Ckll. Claremont, Cal., Baker. 



Anthidiiivi piiUivoitre. Cr. Det. Br. from Coll. Claremont, 

 Cal., Baker. 



Antliidiiiiii Iriciispidiini. Prov. Det. Ckll. Claremont, Cal., 

 Baker. 



DitiHlliidiiiiti coiisiiuilc. Ashmead Det. Ckll. Claremont, C"al., 

 Baker. 



Diiiiilliidiiiiii roherlsoiii. Ckll. Det. Ckll. Mountains near 

 Claremont, Cal., Baker. 



.hithidiitm mujehiniw. Titus Det. Ckll. Claremont, Cal., Baker. 



DiiiHlliidiiiiii provaiuheri. Titus Det. Ckll. Claremont, Cal., 

 Baker. 



Dia.ws prodiiilci. Cr. Det. Ducke. Claremont, Cal., Baker. 



Dio.ws poinoihf. Ckll. Det. Ckll. Claremont, Cal., Baker. 



(.'ot'liuxys metjdir'uhd sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



(J()fH(Jx\s (int/iiliffrti sp. n. Ckll. Det. Ckll. Claremont, Cal., 

 Baker. 



Xenogloisa onyi'licci. Ckll. Det. Ckll. Claremont, Cal., Baker. 



ANDRF.NID.I^. 



Andrenapurterte. \'ier. Det. Ckll. Claremont, Cal., Baker. 



