Taxonomic studies on Ephemerida. 1, Description of new North American species. American Museum novitates ; no. 1002

Spieth, Herman T.2005-10-062005-10-061938http://hdl.handle.net/2246/380311 p. : ill. ; 24 cm.Includes bibliographical references.1174081 bytesapplication/pdfen-USQL1 .A436 no.1002, 1938Mayflies -- North AmericaInsects -- North AmericaTaxonomic studies on Ephemerida. 1, Description of new North American species. American Museum novitates ; no. 1002Description of new North American speciestext