You are not currently logged in.
Access JSTOR through your library or other institution:
New Series, Vol. 89, No. 2297 (Jan. 6, 1939), pp. 12a+14a+16a
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1665625
Page Count: 3
Preview not available
Science © 1939 American Association for the Advancement of Science