The 



Pi ant World 



A Magazine of General JJotany 





VOLUME 16 





U M B E R 3 





31 ARCH 1913 





OOWT A I N I NQ- 





n. The Bearing of Osmotic Pressure on the Development of Physical 

 or General Chemistry 





By Harry C. Jones 



73 



The Action of the Rain-Correcting Atmometer 





By E. M. Harvey 



89 



Books and Current Literature 



94 



Notes and Comment 



100 



FUBLIBHED UONTBLT 



OFFICE OF PUBLICATION 

 2419-21 York Road 

 BALTIMORE. MD. 





EDITORIAL OFFICE 

 TUCSON. ARIZONA 





Eowrad as second-islaas matter March 9, 1911, at the post ofiSc« at Baltimore, Maryland, under the Aot of July 16, ItM 



