314 



L. A. GIDDINGS 



7:30 9:50 11:50 1:50 3:30 5:^0 



Fig. 1. Curves of evaporation (solid lines) and wind velocity (broken lines) 

 for experiment of September 8, 1912. The curves are numbered in order from 

 the lowest to the highest position. 



7:30 9:30 11:30 1:30 3:30 5:30 



Fig. 2. Curves of temperature and relative humidity for experiment of Sep- 

 tember 8, 1912. 



