Public Document No. 31 



TWENTY-EIGHTH ANNUAL REPOET 



OF THE 



MASSACHUSETTS AGRIOULTUEAL 

 EXPERIMENT STATION. 



Parts I. and II., 



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

 THE Massachusetts Agricultural College. 



Jan 



UARY, 1916. ^ 



Ending the Thirty-third Year prom the Founding of the State 

 Agricultural E-xperimbnt Station. 



BOSTON: 



WEIGHT & POTTEE FEINTING CO., STATE PEINTEES, 



32 DEENE STEEET. 



1916. 



