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Cope (Edward Dwight). Onsome Eocene Mammals obtained by Hayden’s 
Geological Survey of 1872. (Tract.) 8yvo. Philadelphia, 1873. 
—. Onsome of Prof, Marsh’s criticisms. (Tract.) 8vo. Salem, 1873. 
——. On the Age of the Coal series of Bitter Creek. (Tract.) 
8vo. Philadelphia, 1873. 
——. On the Flat-clawed Carnivora of the Eocene of Wyoming. 
(Tract.) 8vo. Philadelphia, 1878. 
——, On the Osteology of the Extinct Tapiroid Hyrachyus. (Tract.) 
8vo. Philadelphia, 1873. 
——, On the Primitive Types of the Orders of Mammalia Educabilia. 
(Tract.) Svo. Philadelphia, 1873. 
——. Onthe short-footed Ungulate of the Eocene of Wyoming. (Tract.), 
8vo. Philadelphia, 1873. 
——. On two new Perissodactyles from the Bridger Eocene. (Tract.) 
8yo. Philadelphia, 1878. 
——. Synopsis of new Vertebrata from the Tertiary of Colorado, ob- 
tained during the summer of 1873. (Tract.) 8vo. Washington, 1873. 
——. Report upon Vertebrate Fossils discovered in New Mexico, with 
descriptions of new Species. (Tract.) 8vo. Washington, 1874. 
—. Consciousness in Evolution. (Tract.) 8vo. Philadelphia, 1875. 
——. On the supposed Carnivora of the Eocene of the Rocky Moun- 
tains. (Tract.) 8vo. Philadelphia, 1875. 
——. Synopsis of the Vertebrata of the Miocene of Cumberland County, 
New Jersey. (Tract.) 8vo0. Philadelphia, 1875. 
——. Systematic Catalogue of Vertebrata of the Eocene of New Mexico, 
collected in 1874. (Tract.) 8vo. Washington, 1875. 
——. The Relation of Man to the Tertiary Mammalia. (Tract.) 
8vo. Philadelphia, 1875. 
——. Description of some Vertebrate Remaius from the Fort Union 
Beds of Montana. (Tract.) 8vo. Philadelphia, 1876. 
——. On some Extinct Reptiles and Batrachia from the Judith River 
and Hox Hills beds of Montana. (Tract.) 8vo. Philadelphia, 1876. 
——. On the Geologic Age of the Vertebrate Fauna of the Eocene of 
New Mexico. (Tract.) 8vo. Philadelphia, 1876. 
——. (Paleontological Bulletin, No. 21.) On the Geologic Age of the 
Vertebrate Fauna of the Eocene of New Mexico. (Tract.) 
8vo. Philadelphia, 1876. 
—. ( , No. 22.) Description of some Vertebrate remains from 
the Fort Union beds of Montana. (Tract.) 8vo. Philadelphia, 1876. 
—. ( , No. 23.) On some Extinct Reptiles and Batrachia from 
the Judith River and Fox Hills beds of Montana. (Tract.) 
8vo. Philadelphia, 1876. 
——. The Extinct Vertebrata of North Carolina.—Synopsis of the 
Vertebrata whose remains have been preserved in the Formations of 


North Carolina. (Tract.) 8vo. Raleigh, 1876. 
——. A Continuation of Researches among the Batrachia of the Coal- 
measures of Ohio. (Tract.) 8vo. Philadelphia, 1877. 
——. Ona Carnivorous Dinosaurian from the Dakota beds of Colorado. 
A Contribution to the knowledge of the Ichthyological Fauna of the 
Green River Shales.—On the Genus Hrisichthe. (Tract.) 
Syo. Washington, 1877. 
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