Hertlein, Leo George, 1898-1972.Emerson, William K.Puritan-American Museum of Natural History Expedition to Western Mexico (1957)2005-10-062005-10-061959http://hdl.handle.net/2246/528515 p. : ill., maps ; 24 cm.Includes bibliographical references (p. 14-15).1902586 bytesapplication/pdfen-USQL1 .A436 no.1940, 1959Invertebrates, Fossil -- Mexico -- Tres Marías Islands.Paleontology -- Pliocene -- Mexico -- Tres Marías Islands.Paleontology -- Pleistocene -- Mexico -- Tres Marías Islands.Paleontology -- Mexico -- Tres Marías Islands.Results of the Puritan-American Museum of Natural History Expedition to Western Mexico. 5, Pliocene and Pleistocene megafossils from the Tres Marías Islands. American Museum novitates ; no. 1940Pliocene and Pleistocene megafossils from the Tres Marías IslandsMegafossilstext