Public Document 



No. 31 



TWENTY-SECOND ANNUAL EEPOET 



OF THE 



MASSACHUSETTS AGRICULTURAL 

 EXPERIMENT STATION. 



Part II., 



Being Part IV. or the Forty-seventh Annual Report 

 OF THE Massachusetts Agricultural College. 



January, 1910. 



BOSTON: 



WEIGHT & POTTEE FEINTING CO., STATE PEINTEES, 



18 Post Office Squabe. 



1910. 



