238 AMERICAN HYMENOPTERA. 



Ontris rhodopns Ckll. 



Bill William's Fork, August (F. H. Snow). 



Clisodon terminalis Cress. 



Oak Creek Canon, July (F. H. Snow). 



Melissodes tristis Ckll. 



Oak Creek Canon, July, August (F. H. Snow). 



Melissodes griudelite Ckll. 



Oak Creek Canon, July, August (F. H. Snow). 



Melissodes gileusis Ckll. 



Oak Creek Canon, August, 1902 (F. H. Snow). 



PROSOPID^. 

 I'rosopis raidosensis Ckll. 



Oak Creek Canon, August, 1902 (F. H. Snow). 



BOMBIDiE. 

 Bombiis dorsalis Cress. 



Oak Creek Canon, July, August, (F. H. Snow). 



Bonibus pennsylTanicus D. G. 



Oak Creek Canon, August, (F. H. Snow). 



Boinbus prnnellse Ckll. 



Oak Creek Canon, August, 1902 (F. H. Snow). 



Bombus howardi Ckll. 



Humphrey's Peak, at base, 9500 ft., August (F. H. Snow). 



Psithyrus insularis Sm. 



Oak Creek Canon, August, 1902 (F. H. Snow). 



NEW MEXICO. 

 VESPOIDEA. 



MUTILLID^. 

 Mutilla (Timulla ?) montivaga Cress. 



Female, Albuquerque, Aug. (Snow). 



Mutilla (Euspinolia ?) oceola Blake. 

 Male, Magdalena. 



