Part I. The Darwinian Theory

Pp. xiv., 460. 125 illustrations. Second Edition. With portrait of Darwin. Cloth, $2.00.

“A brilliantly written work.”--Review of Reviews.

“The best single volume on the general subject since Darwin’s time.”--American Naturalist.

“The most lucid and masterly presentation of the Darwinian theory yet written.”--Public Opinion.

“The best modern handbook of evolution.”--The Nation.