Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 15. — March, 1908. 



LIBRARY 

 NEW YORK 



BOTANICAL 

 UARUEN. 



NOTE ON SOME METEOROLOGICAL USES OF THE 



POLABISCOPE. 



By Lons Bell. 



Investigations on Lioht and Heat made and published, wholly or in part, with Appropriation 



from the kumfokd fund. 



