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By: Hertlein, Leo George, - Emerson, William K. - Puritan-American Museum Of Natural History Expedition To Western MexicoEdition:Publication info: New York, N.Y, American Museum of Natural History, [1959]Volume: no. 1940Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56.2(1183:72.3) 56.2(119:72.3) Invertebrates, Fossil Mexico Paleontology Pleistocene Pliocene Tres Marias IslandsBHL Collections: