ON 



AGRICULTURAL INVESTIGATION; 



BEING 



A LECTURE DELIVERED OCTOBER 27, 1884, 



RUTGERS COLLEGE, NEW BRUNSWICK, N. J 



UNDER THE AUSPICES OF 



THE NEW JERSEY AGRICULTURAL EXPERIMENT STATION, 



THE STATE BOARD OF AGRICULTURE, AND 



THE STATE AGRICULTURAL COLLEGE; 



JOHN HENRY GILBERT, M.A., LL.D., F.R.S 



OF ROTHAMSTED, ENGLAND. 



AND S1BTHORPIAN PROFESSOR OF RURAL ECONOMY 

 IN THE UNIVERSITY OF OXFORD. 



PUBLISHED BY THE 



SOCIETY FOR THE PROMOTION OF AGRICULTURAL SCIENCE. 



1885. 



