THE EXPERIMENT STATION. 



99 



COMPARATIVE SUMMARY OF SOIL TEMPERATURES OF 1888 AND 1889 AT AGRICULT- 

 URAL COLLEGE, FOR THE MONTHS OF MAY TO SEPTEMBER, INCLUSIVE. 



* DifTerences with a minus sign (-) before them indicate the excess of the monthly mean tem- 

 perature of 1889 over the corresponding mean temperature of 1888. Those without the minus sign, 

 indicate the reverse. 



