INTKODUCTION 



TO THE STUDY OF 



THE SCIENTIFIC PRINCIPLES 



OF 



AGRICULTURE; 



BEING 



Deliveeed May 6, 1884, 

 AT THE UNIVERSITY MUSEUM, OXFORD, 



BY 



JOSEPH HENRY GILBERT, M.A., Ph.D., LL.D., 



SIBTHORPIAN PROFESSOR OP RURAL ECONOMY IN THE 

 UNIVERSITY OP OXFORD ; 



Vice-President of the Chemical Society ; Fellow of the Royal, Linnean, and Royal Meteorological 



Societies; Honorary Member of the Royal Agricultural Society of England, of the 



Chanico- Agricultural Society of Ulster, and of the Academy of Agriculture and 



Forestry of Petrovskoie ; Corresponding Member of the Institute of France 



(Academy of Sciences), of the Society of Agriculturists of France, 



and of the Agricultural Institute of Gorigoretsk ; Chevalier 



du Me" rite Agricole, (France) ; and Gold Medallist of 



Merit for Agriculture (Emperor of Germany). 



LONDON : HENRY FROWDE, 



OXFORD UNIVERSITY PRESS WAREHOUSE, AMEN CORNER, E.C. 



1884. 



