Back Matter Source: The Scientific Monthly, Vol. 50, No. 6 (Jun., 1940), pp. v-viii Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/16991 . Accessed: 02/05/2014 06:11 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to The Scientific Monthly. http://www.jstor.org This content downloaded from 130.132.123.28 on Fri, 2 May 2014 06:11:04 AM All use subject to JSTOR Terms and Conditions
Transcript
Back MatterSource: The Scientific Monthly, Vol. 50, No. 6 (Jun., 1940), pp. v-viiiPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/16991 .
Accessed: 02/05/2014 06:11
Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp
.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].
.
American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to The Scientific Monthly.
http://www.jstor.org
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HEE Iong years of investigation of the sun's radiation by Dr. C. G. Abbot, Seeretary of TL the Smithsonian Institution, and his realization of the vital importance of radiation to terrestrial affairs, led him in 1929 to establish a new division of the Institution to study the relation between radiation and life. The 140-foot flag tower of the Smithsonian Build- ing provided offices for the new Division, and part of the .basement was converted into laboratories. Having decided to confine its initial investigationis to work with plants, the Division devoted the firs-t few years to assembling and installing the necessary apparatus t make available light of precisely known wave length and intensity and to control all physical and chenmical conditions connected with the growth of the plants during the progress of the various experiments.
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