Public expenditure on national health is like expenditure on a life-boat or a fire-engine; even more it is like a long term investment. 1t yields its interest with absolute certainty, a thousand-fold, but only in the course of years and sometimes in the course of genera tions. It is money hidden in maternity, in good schools, in pure fo od, in clean streets, in sanitary houses, in an abundant water supply, in dispensaries, hospitals and sanatoria, and in the vast network of a sanitary and

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... tive cordon in every village and city of the land. Its efforts are unappreciated until they are withdrawn. Yet without this investment the nation is bankrupt" .-SIR GEORGE NEWMAN : Annual Report of tbe Chief Medical Officer of the Ministry of Health, 1921.