Rodeck, Hugo G.Lutz, Frank Eugene, 1879-1943.2005-10-062005-10-061931http://hdl.handle.net/2246/304311 p. : ill. ; 24 cm.pt. 4. The genus Nomada.1061745 bytesapplication/pdfen-USQL1 .A436 no.496, 1931Nomada -- Rocky MountainsBees -- Rocky MountainsInsects -- Rocky MountainsRocky Mountain bees. 4. American Museum novitates ; no. 496text