Public Document No. 31 



TWENTY-FIFTH ANNUAL REPORT 



or THH 



MASSACHUSETTS AGRICULTURAL 

 EXPERIMENT STATION. 



Part IL, 



Being Part IV. of the Fiftieth Annual Report of the 

 Massachusetts Agricultural College. 



January, 1913 



./ 



Ending the Thirtieth Year from the Foondino of the State 

 Aqricultur-vo Experiment Station. 



BOSTON: 



WRIGHT & POTTER PRINTING CO., STATE PRINTERS, 



32 DERNE STREET. 



1913. 



