University of California
Bulletin of the University Extension
New Series, Volume IV, Number 22, January 1919
Published by the University of California, Berkeley
The Factors of Evolution in Man
[photo]
Samuel J. Holmes, Ph.D.
Professor of Zoology in the University of California
Entered at the post office at Berkeley, California, as second-class matter under the act of July 16, 1894. Issued tri-monthly in January, February, March, April, May, June, July, October, November, and December. Five issues a month in August and September.