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By: Guppy, R. J. Lechmere (Robert John Lechmere), - Agricultural Society of Trinidad and Tobago.Edition:Publication info: [Port of Spain?, Agricultural Society of Trinidad and Tobago, 1910-1911]Volume: pt.1Series:Holding Institution: American Museum of Natural History LibrarySubjects: 56(82) Fossils Mollusks, Fossil Spring Vale Trinidad and TobagoBHL Collections: