The Structure of Animal Life: Six Lectures Delivered at the Brooklyn Academy of Music in January and February, 1862

On the Principles of Classification in the Animal Kingdom: On the Structure of the Halcyonoid Polypi ; On the Morphology of the Medusae

Twelve Lectures on Comparative Embryology: Delivered Before the Lowell Institute, in Boston, December and January, 1848-9

Twelve Lectures on Comparative Embryology: Delivered Before the Lowell Institute, in Boston, December and January, 1848-9

Twelve Lectures on Comparative Embryology: Delivered Before the Lowell Institute, in Boston, December and January, 1848-9

Twelve Lectures on Comparative Embryology: Delivered Before the Lowell Institute, in Boston, December and January, 1848-9

Methods of Study in Natural History

Methods of Study in Natural History

A Journey in Brazil

A Journey in Brazil

Essay on Classification

Methods of Study in Natural History

The Structure of Animal Life. Six Lectures Delivered ... 1862 ... Third Edition

Contributions to the Natural History of the United States of America: Volume 2

Report on the Florida Reefs

Lake Superior; Its Physical Character, Vegetation and Animals; with a Narrative of the Tour by J. Elliot Cabot

A Journey in Brazil

Methods of Study in Natural History

Geological Sketches: Volume 2

Contributions to the Natural History of the United States of America: Part 2