Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck,; as compared with that of Charles Darwin
A Series of Essays
A Review of the Conclusions of Modern Biology in Regard; to the Mechanism Which Controls the Phenomena of Living; Activity
A Series of Papers
A Waterfowl Identification Guide
A Contribution to the History of Animal Morphology
A Book of Personal Observations
His Life and Work