Public Document No. 31 



TWENTY-FIFTH ANNUAL EFFORT 



OF THE 



MASSACHUSETTS AGRICULTURAL 

 EXPERIMENT STATION 



Part I., 



Being Part III. of the Fiftieth Annual Report of the 

 Massachusetts x\gricultural College. 



January, 1913. 



Ending the Thirtieth Year from the Founding of the State 

 Agbicultubal Experiment Station. 



,% 3 



BOSTON: 



WRIGHT & POTTER PRINTING CO., STATE PRINTERS, 



32 DERNE STREET. 



1913. 



