Your PDF has successfully downloaded.
You may be interested in finding more content on these topics:
You are not currently logged in.
Access JSTOR through your library or other institution:
A. E. Ortmann
New Series, Vol. 17, No. 437 (May 15, 1903), p. 796
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1630705
Page Count: 1