You are not currently logged in.
Access your personal account or get JSTOR access through your library or other institution:
Professor Ross and Leland Stanford, Jr. University
New Series, Vol. 12, No. 308 (Nov. 23, 1900), p. 811
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1628730
Page Count: 1