Fifty years of Darwinism; modern aspects of evolution; centennial addresses in honor of Charles Darwin, before the American association for the advancement of science, Baltimore, Friday, January 1, 1909.

Photocopy -- 22 cm.

Grundriss der Entwicklungsgeschichte der Haussäugetiere /

Includes index.

Biological characteristics of barley stripe-mosaic virus strains and their evolution /

Caption title.

Neo-Darwinism and Neo-Lamarckism. Annual address of the president of the Biological Society of Washington, delivered January 24, 1891.

From the Proceedings of the Biological Society of Washington, v.6.

Discourses biological and geological;

On verso of t.-p.: Authorized edition.

Discourses biological and geological : Essays /

Printing date varies on extra copies.