AGRICULTURE 



IN THE 



TROPICS 



AN ELEMENTARY TREATISE 



BY 



J. C. WILLIS, M.A., Sc.D. 



>y 



Director of the Royal Botanic Gardens, Ceylon 



Organising Vice-President, Ceylon Agricultural Society 



Editor of The Tropical Agriculturist 



Of THE 



C UNIVERSITY 1 



Cambridge : 



at the University Press 



1909 



