Collected. Essays, 12mo, cloth, $1.25 per volume.
Vol. 1. Method and Results.
" 2. Darwiniana.
" 3. Science and Education.
" 4. Science and Hebrew Tradition.
" 5. Science and Christian Tradition.
" 6. Hume.
" 7. Man's Place in Nature.
" 8. Discourses, Biological and Geological.
" 9. Evolution and Ethics, and Other Essays.
The Crayfish:
An Introduction to the Study of Zoölogy.
With 82 Illustrations. 12mo, cloth, $1.75.
Manual of the Anatomy of Vertebrated
Animals. Illustrated. 12mo, cloth, $2.50.
Manual of the Anatomy of Invertebrated
Animals. Illustrated. 12mo, cloth, $2.50.
Physiography:
An Introduction to the Study of Nature. With
Illustrations and Colored Plates. 12mo, cloth, $2.50.
The Origin of Species;
Or, The Causes of the Phenomena of Nature.
12mo, cloth, $1.00.