Public Document 



No. 31 



TWENTY-SEVENTH ANNUAL REPORT 



OF THE 



Massachusetts agricultural 

 experiment station. 



Parts I. and II., 



Being Parts III. and IV. of the Fifty-secoxd Annual Report 

 OF the Mas.sachusetts Agricultural College. 



January, 1915 



Ending the Thirty-second Year from the Founding of the State 

 Agricultural Experiment Station. 



BOSTON: 



WEIGHT & POTTEE FEINTING CO., STATE PEINTEES, 



32 DEENE STEEET. 



1915. 



