Bees of the genus Perdita Smith in the American Museum of Natural History. American Museum novitates ; no. 321

Timberlake, P. H. (Philip Hunter), 1883-2005-10-062005-10-061928http://hdl.handle.net/2246/317013 p. ; 23 cm.1497050 bytesapplication/pdfen-USQL1 .A436 no.321, 1928Perdita -- United States -- Classification.Perdita -- United States -- Geographical distribution.Bees -- United States -- Classification.Bees -- United States -- Geographical distribution.Insects -- United States -- Classification.Insects -- United States -- Geographical distribution.Bees of the genus Perdita Smith in the American Museum of Natural History. American Museum novitates ; no. 321text