August 29th; Descriptions of New Fishes, Collected by Dr. A. L. Heermann, Naturalist Attached to the Survey of the Pacific Railroad Route, under Lieut. R. S. Williamson, U. S. A; Enumeration of the Species of Marine Fishes, Collected at San Francisco, California, by Dr. C. B. R. Kennerly, Naturalist Attached to the Survey of the Pacific R. R. Route, under Lieut. A. W. Whipple; Observations upon a Collection of Fishes Made on the Pacific Coast of the United States, by Lieut. W. P. Trowbridge, U. S. A., for the Museum of the Smithsonian Institution; Synopsis of Extinct Mammalia, the Remains of Which Have Been Discovered in the Eocene Formations of Nebraska; Notice of a New Genus of Cyprinidœ; Synopsis of the Erotylidæ of the United States; Descriptions of New Fossil Species from the Cretaceous Formation of Sage Creek, Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens; Descriptions of New Fossil Species from the Fresh Water Tertiary Formation of Nebraska, Collected by the North Pacific Railroad Expedition, under Gov. J. J. Stevens

• 期刊名称Proceedings of the Academy of Natural Sciences of Philadelphia
• 作者Charles Girard, Joseph Leidy, S. F. Baird, John L. LeConte, John Evans and B. F. Shumard
• 卷第7卷
• 印刷ISSN0097-3157
• 电子ISSN1938-5293
• 文件大小2485.42KB
• 发表时间18541855
• DOI10.2307/4059036
• 页码129-165