New light on the giant fossil may-flies of Mongolia. American Museum novitates ; no. 244

Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.Chaney, Ralph Works, 1890-Central Asiatic Expeditions (1921-1930)2005-10-062005-10-061927http://hdl.handle.net/2246/41734 p. : ill. ; 23 cm.Includes bibliographical references.309633 bytesapplication/pdfen-USQL1 .A436 no.244, 1927Ephemeropsis trisetalis chaneyi.Mayflies, Fossil -- Mongolia.Insects, Fossil -- Mongolia.New light on the giant fossil may-flies of Mongolia. American Museum novitates ; no. 244text