E R R A: 



PHILOSOPHICAL DISCOURSE 



OP 



EARTH. 



RELATING TO THE 



CULTURE AND IMPROVEMENT OF IT, 



FOR VEGETATION AND THE PROPAGATION OP PLANTS, 



AS IT WAS PRESENTED TO 



THE ROYAL SOCIETY. 



By J. EVELYN, Esq. F. R. S, 



WITH 



NOTES, 



By A. HUNTEB, M.D. F.B.S. L. E. 



