Dec. 31st; Descriptions of Eleven New Species of the Genus Unio from the United States; Descriptions of Seven New Species of the Genus Io; A Revision of the Species of Baculites, Described in Dr. Morton's "Synopsis of the Cretaceous Group of the United States"; On the Mollusca of Harper's Ferry, Virginia; On Squalus Americanus, Mitchell, Referring It to the Genus Odontaspis, Agassiz; Monograph of the Species of Sphærium of North and South America; Descriptions of New Palaeozoic Fossils from Kentucky and Indiana; Descriptions of Three New Species of Mollusca of the Genus Sphærium; Descriptions of New Lower Silurian, (Primordial), Jurassic, Cretaceous, and Tertiary Fossils, Collected in Nebraska, by the Exploring Expedition under the Command of Capt. Wm. F. Raynolds, U. S. Top. Engrs.; With Some Remarks on the Rocks from Which They Were Obtained; Description of New Plants from Texas; Description of a New Quadrumanous Mammal, of the Genus Midas; Synopsis of the Recent Species of Gastrochænidæ, a Family of Acephalous Mollusca; On the Genera Panolopus, Centropyx, Aristelliger and Sphærodactylus; Synopsis of the Sillaginoids; Description of a New Species of Sillago; Synopsis of the Chæni; Synopsis of the Notothenioids

• 期刊名称Proceedings of the Academy of Natural Sciences of Philadelphia
• 作者Isaac Lea, W. M. Gabb, George W. Tryon, Jr., Chas. Conrad Abbott, Temple Prime, Sidney S. Lyon, F. B. Meek, F. V. Hayden, S. B. Buckley, J. H. Slack, E. D. Cope, Theodore Gill and Sillago Parvisquamis Gill
• 卷第13卷
• 印刷ISSN0097-3157
• 电子ISSN1938-5293
• 文件大小8468.13KB
• 发表时间1861
• DOI10.2307/4059571
• 页码391-530