Author: Williams, H.S., 1887.:
Title: On the fossil faunas of the Upper Devonian. The Genesee section, New York.
Description: [Bull. U.S. Geol. Surv., 41.] Washington. 8vo. Pp. 123, 1 fold. map, 23 figs.of invertebrate fossils on 2 pls., 1 fold. diagr., index. Plain new wrs. Small waterstain on a few pages, good otherwise.

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