HATCH EXPERIMENT STATION 



OF THE 



MASSACHUSETTS 



AGRICULTURAL COLLEGE. 



BULLETIN No. 21. 



icB>r»oiiT o:n: imcuii's. 



APRIL, 1893. 



The Bulletins of this Station will he sent free to all newspapers in 

 the State and to such individuals interested in farming as may request 

 the same. 



AMHERST, MASS. : 



PRESS OF CARPENTER & MOREHOUSE 



1893. 



