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Title: Proceedings of the Academy of Natural Sciences of Philadelphia. Volume 20. 1868. [Complete].
Description: Philadelphia, PA, The Academy of Natural Sciences of Philadelphia, 1868. Six issues in six. 8vo (25.0 x 15.5 cm). Title page, iv, 16, 430 pp.. Original uniform printed wrappers. = The ANSP Proceedings were the foremost zoological journal in the U.S.A., being especially strong in Mollusca and ornithology. Authors in this early volume include, e.g., Coues (ornithology, including A Monograph of the Alcidae), Meehan (botany), Cope (herpetology including crocodiles, Amazonian reptiles, etc.), Isaac Lea (malacology, mainly Unionidae, Melaniidae). Especialy Cope and Lea contributed much. Uncut. Front wrapper no. 6 gone at right hand upper corner, edges some other wrappe a bit soiled, frayed and or/chipped, as usual with uncut copies. A good, complete volume. Rare.

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