. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Ortmann: Families and Genera of Najades. 267 There were only three gravid females among them, which were' found on June 22, i<)oi). Anatonrj normal: margin of the mantle, siphons, gill-structure, and marsupium typically Unionine. In a few eases the rather short sa. ~,an \br Fig. 10. Elliplio crassidens (Lamarck). Male, from Allegheny River, Kelly, Armstrong Co., Pa. (Cam. Mus., No. 61, 3,777.) Coll. July 3, Please note that these images are extracted from scanned page images that ma


. Annals of the Carnegie Museum. Carnegie Museum; Carnegie Museum of Natural History; Natural history. Ortmann: Families and Genera of Najades. 267 There were only three gravid females among them, which were' found on June 22, i<)oi). Anatonrj normal: margin of the mantle, siphons, gill-structure, and marsupium typically Unionine. In a few eases the rather short sa. ~,an \br Fig. 10. Elliplio crassidens (Lamarck). Male, from Allegheny River, Kelly, Armstrong Co., Pa. (Cam. Mus., No. 61, 3,777.) Coll. July 3, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Museum; Carnegie Museum of Natural History. [Pittsburgh] : Published by authority of the Board of Trustees of the Carnegie Institute


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