Public Document No. 31 



TWENTY-FIFTH ANNUAL REPORT 



OF THB 



MASSACHUSETTS AGRICULTURAL 

 EXPERIMENT STATION. 



Part L, 



Being Part III. of the Fiftieth Annual Report of the 

 Massachusetts Agricultural College. 



January, 1913. 



Ending the Thirtieth Year from the Founding of the State 

 Aqriculturaii Experiment Station. 



^F^n^ 



BOSTON: 



WEIGHT & POTTER PRINTING CO., STATE PRINTERS, 



32 DERNE STREET. 



1913. 



