The Watchers of the Trails: A Book of Animal Life:
The Scientific Evidences of Organic Evolution:
Evolution An Investigation and a Critique:
Darwin and modern science:
Evolution in Modern Thought:
On the Reception of the 'Origin of Species':
Text Book of Biology, Part 1: Vertebrata:
On the Genesis of Species:
Anecdotes of the Habits and Instinct of Animals:
The History of Four-Footed Beasts and Serpents:
Darwin, and After Darwin:
The Origin of Species From the Westminster Review; April 1860:
Concerning Animals And Other Matters:
Darwiniana Essays and Reviews Pertaining to Darwinism:
Wild Beasts and Their Ways, Reminiscences of Europe, Asia, Africa and America:
Facts and Arguments for Darwin:
Explanation of Terms Used in Entomology:
At the Deathbed of Darwinism A Series of Papers(BIOLOGY):
The Dancing Mouse A Study in Animal Behavior:
American Addresses, With a Lecture on the Study of Biology:
Form and Function A Contribution to the History of Animal Morphology:
The Doctrine of Evolution: Its Basis and Its Scope(BIOLOGY):
Contributions to the Theory of Natural Selection:
The Life-Story of Insects:
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