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On Anodontacanthus, a new Genus of Fossil Fishes from the Coal-measures; with Descriptions of three new SpeciesDavis, J. W. · Quarterly Journal of the Geological Society · 1881
March 28th; Descriptions of New Species of Fishes Collected in Texas, New Mexico and Sonora, by Mr. John H. Clark, on the U. S. and Mexican Boundary Survey, and in Texas by Capt. Stewart Van Vliet, U. S. A; Rectification of the Generic Names of Tertiary Fossil Shells; Notes on Shells, with Descriptions of Three Recent and One Fossil Species; Note on the Genus Amblychila, SayF. S. Baird, Charles Girard, T. A. Conrad and John L. Le Conte · Proceedings of the Academy of Natural Sciences of Philadelphia · 1854-1855
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. StevensCharles Girard, Joseph Leidy, S. F. Baird, John L. LeConte, John Evans and B. F. Shumard · Proceedings of the Academy of Natural Sciences of Philadelphia · 1854-1855
On the Theory of EvolutionProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1876
Explorations in South AmericaProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1876
On Dinodipsas and CaususProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1883
Permian Fishes and ReptilesProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1883
Cretaceous Vertebrates of the Upper MissouriProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1876
On a New Genus of CamelidæProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1876
The Tritubercular Type of Superior Molar ToothProf. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1883
The American Camaenidae (Mollusca: Pulmonata)Charles B. Wurtz · Proceedings of the Academy of Natural Sciences of Philadelphia · 1955
On the CondylarthraProfessor Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882
On Uintatherium, Bathmodon and TriisodonE. D. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882
On Supposed Tertiary AmmonitesJ. S. Newberry · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882
Additions to the Library, 1887Proceedings of the Academy of Natural Sciences of Philadelphia · 1887
Notes on Peruvian TrochilidaeJames Bond · Proceedings of the Academy of Natural Sciences of Philadelphia · 1954
Notes on American MabuyasEmmett Reid Dunn · Proceedings of the Academy of Natural Sciences of Philadelphia · 1935
Fossil Vertebrates from FloridaDr. Leidy · Proceedings of the Academy of Natural Sciences of Philadelphia · 1889