The Batrachia of North America

The Batrachia of North America | 1963

Representative edition for this work grouping in the active catalog.

Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata

Hitherto unpublished plates of Tertiary Mammalia and Permian Vertebrata | 1915

Representative edition for this work grouping in the active catalog.

The primary factors of organic evolution

primary factors of organic evolution. | 1904

Representative edition for this work grouping in the active catalog.

The primary factors of organic evolution

The primary factors of organic evolution | 1904

Representative edition for this work grouping in the active catalog.

Syllabus of lectures on the vertebrata

Syllabus of lectures on the vertebrata | 1898

Representative edition for this work grouping in the active catalog.

A preliminary report on the vertebrate paleontology of the Llano Estacado

A preliminary report on the vertebrate paleontology of the Llano Estacado | 1893

Representative edition for this work grouping in the active catalog.

On vertebrata from the tertiary and cretaceous rocks of the North West Territory. I. The species from the Oligocene or Lower Miocene beds of the Cypress hills

On vertebrata from the tertiary and cretaceous rocks of the North West Territory. I. The species from the Oligocene or Lower Miocene beds of the Cypress hills | 1891

Representative edition for this work grouping in the active catalog.

On vertebrata from the Tertiary and Cretaceous rocks of the North West Territory

On vertebrata from the Tertiary and Cretaceous rocks of the North West Territory | 1891

Representative edition for this work grouping in the active catalog.

Theology of evolution

Theology of evolution | 1887

Representative edition for this work grouping in the active catalog.

The origin of the fittest

The origin of the fittest | 1887

Representative edition for this work grouping in the active catalog.

The structure of the Columella auris in the Pelycosauria

structure of the Columella auris in the Pelycosauria. | 1885

Representative edition for this work grouping in the active catalog.

On the contents of a bone cave in the island of Anguilla (West Indies)

On the contents of a bone cave in the island of Anguilla (West Indies) | 1883

Representative edition for this work grouping in the active catalog.

On the zoological position of Texas

On the zoological position of Texas | 1880

Representative edition for this work grouping in the active catalog.

Report upon the extinct vertebrata obtained in New Mexico by parties of the expedition of 1874

Report upon the extinct Vertebrata obtained in New Mexico by parties of the expedition of 1874. | 1877

Representative edition for this work grouping in the active catalog.

On the batrachia and reptilia of Costa Rica

On the batrachia and reptilia of Costa Rica | 1875

Representative edition for this work grouping in the active catalog.

The vertebrata of the Cretaceous formations of the West

The vertebrata of the Cretaceous formations of the West | 1875

Representative edition for this work grouping in the active catalog.

On the Batrachia and Reptilia of Costa Rica

On the batrachia and reptilia of Costa Rica | 1875

Representative edition for this work grouping in the active catalog.

Check-list of North American Batrachia and Reptilia

Check-list of North American Batrachia and Reptilia | 1875

Representative edition for this work grouping in the active catalog.

On the Plagopterinae and the ichthyology of Utah

On the Plagopterinae and the ichthyology of Utah | 1874

Representative edition for this work grouping in the active catalog.

On the flat-clawed carnivora of the eocene of Wyoming

On the flat-clawed carnivora of the eocene of Wyoming | 1873

Representative edition for this work grouping in the active catalog.

On the short footed ungulata of the eocene of Wyoming

On the short footed ungulata of the eocene of Wyoming | 1873

Representative edition for this work grouping in the active catalog.

On the primitive types of the orders of Mammalia Educabilia

On the primitive types of the orders of Mammalia Educabilia | 1873

Representative edition for this work grouping in the active catalog.

Cope papers

Cope papers | 1871

Representative edition for this work grouping in the active catalog.

Observations on the fishes of the tertiary shales of Green River, Wyoming Territory

Observations on the fishes of the tertiary shales of Green River, Wyoming Territory | 1870

Representative edition for this work grouping in the active catalog.