?4 the Chairman, City of Bombay Improvement Trust, the General Traffic Manager, G. I. P. Railway Company, the Chief Medical Officer, B. B. & C. I. Railway Company. The total cost amounted to Rs. 41,662, which was shared as follows :- Rs. Government ... ... ... 32,662 The Bombay Municipality ... ... 4,000 The Port Trustees ... ... ... 4,000 The B. B. & C. I. Railway Company ... 1,000 The Governor in Council desires to congratulate Dr. Bentley upon the satisfactory- completion of his labours and the thanks of Government should be conveyed to him. His Excellency in Council also desires to express his appreciation of the services rendered by the members of the committee and by all the gentlemen, both official and non-official, mentioned in the preface to the report. The Government of the United States of America should also be addressed with reference to the assistance rendered by. Colonel Gorgas of their Sanitary Service. *Neocellia stephensi. Myzomyia listoni. Myzomyia culicifacies. Nyssorhynchus fuliginosus. †Some results taken from Chapter VII of part III of the report are quoted in the appendix to this Resoultion. 3. The report is based on the principle that malaria infection from man to man is carried by certain species* of mosquito and that if these species could be prevented from breeding, malaria as an endemic disease, capable of becoming epidemic in favourable circumstances would disappear. This principle is now generally accepted in dealing, with sanitation under eastern conditions and it has been applied with unvarying success in many parts of the East wherever natural facilities were favour- able.† There is no reason to suppose that equal success would not attend sustained and well directed effort in Bombay. It is the earnest hope of the Governor in Council that as a result of this investigation the scourge of malaria may cease in Bombay, and it is his intention to do all in his power to further effort directed to attain this end. 4. It is clearly shown that malaria in Bombay is due to internal infection and that outside infection may be disregarded. The disease is endemic and at intervals, when conditions favour a spread, it becomes widely epidemic. The facts concerning the endemicity of malaria may be briefly summarised-the south of the island is more infected than the north, and of the former sub-division the worst infected areas are comprised within the Esplanade, North Fort, Mandvi and Dhobi Talao sections of the town. Taking the population by race or caste, it is found that malaria is comparatively more prevalent among the Parsis than among any other community. In support of this fact Dr. Bentley cites the higher percentage of enlarged spleens among Parsi children and the general low vitality of the race as indicated by their failure to show a natural increase, no great excess of births over deaths taking place amongst them from year to year. 5. The rate of mortality directly due to malaria is comparatively speaking small, but the amount of ill-health caused by this disease is enormous and gravely affects the economic efficiency of the population. At a very conservative estimate Dr. Bentley puts the direct loss in wage-earning capacity alone at ten and a half lakhs of rupees a year, and if indirect losses be included, it may be said that a sum of twenty-nine lakhs of rupees represents the annual cost to the city. It fortunately appears clear that at a comparatively insignificant expenditure malaria can be easily controlled, and this cause of disease and economic loss can be eradicated. 6. By far the most dangerous carrier of malaria infection in Bombay is the mosquito known as Neocellia stephensi. Its most common breeding grounds are open wells situated within the precincts of domestic houses in those parts of the city that show the greatest malaria infection, but it is so adaptable that it will breed in cisterns, fountains, masonry and other tanks, tubs, barrels, tin pots and other minor collections of water and in open pools of water. Larvæ have been found in wells of clear water in daily use, and in the deep reservoir of clear water on Malabar Hill. This mosquito can breed in salt or brackish water.