CONTENTS. 
4 
On Some Meteorological Conditions Controlling Nocturnal Eadia- 
tion. By J. E. Sutton, Sc.D., Hon. Memb. R. Met. Soc, 
PAGE 
381 
On the Variation in the Value of the Atmospheric Electrical 
Potential with the Altitude. By W. A. Douglas Budge, M.A. 
395 
Eespiration and Cell Energy. By Horace A. Wagee, A.E.O.S. . 
)( 
Presidential Address. By S. S. Hough, F.E.S 
419 
xix 
xxxii 
List of Additions to the Library during 1910-1911 .... 
xxxvii 
