ILLUSTRATIONS.
	To face page
PLATE I.—Group of cases of ordinary chronic malaria in       Sylhet.	29
" II.—Group of cases of kála-ázar in Mangaldai.	33
" III.—" " " " " Nowgong	57
" IV.—Group of anæmia of coolies opposite page i of       Appendix I.
Temperature chart of a kála-ázar case	73
Chart showing monthly death-rate from fevers in the affected       districts year by year.	133