A Reply to Major Ross's Criticism

on the reduction of the spleen rate, as a result of measures to remove water logging produced by the Western Jumna Canal, strongly support their view. As, however, Major Ross admits the possibility of a connection between the spleen rate and impure water being an explanation of the facts I have recorded, the point is of purely theoretical importance, for repeated blood examinations have convinced me that there is a definite relationship between enlarged spleen and the malarial type of anaemia and general ill-health in malarious places, so that if an improved water-supply will remove these, its introduction will have a greater effect on the health of the population than any feasible crusade against the mosquito; and my results retain all their practical importance. Major Ross's regimental experience, which agrees with