STATE BOARD OB1 HEALTH To the Medical and other Correspondents of the State Board of Health It is the painful duty of the Chairman of the State Board of Health, to announce the death of the Secretary of the Board, Dr. George Derby. The Board have appointed Dr. F. W. Draper, temporary Secretary, to perform the duties of the office until a permanent Secretary is chosen. All parcels or letters, may, for the present, be directed as heretofore, to 102 Charles Street, or to 36 Worcester Street, Boston, the residence of Dr. Draper. HENKY I. BOWDITCH, M. D., Chairman of the State Board of Health. Boston, June 25, 1874.