by warning the public of the location of the disease, and second by the moral effect on the patient and members of the family, in most cases, causing them to cheerfully submit to the rules and assist in preventing the further spread of disease. Fumigation of infected houses has been carried on by the Board to a greater extent than ever before; 468 rooms were thus treated, against 139 in 1890. In every case of contagious disease a circular is left, giving simple rules for its management. INDEX. PAGE Abbajona River Abbott, Samuel W., M.D., on the geographical distribution of certain causes 85 sewerage Advice of the Board to cities, towns, corporations, etc., upon water supply and Aeration of natural waters, the effect of the, Thomas M. Drown, M.D. Allandale Mineral Spring, Boston Amesbury, health of Amherst, advice of Board as to sewage disposal 2 385 57 356, 358 692 881 41 Andover, water supply of, examination of 63 Arlington, Robbins Spring. 356, 357 Arsenic in wall-papers and fabrics, report upon, Dr. William B. Hills PAGE Biological work, special — Concluded. Determinations of species of bacteria. 623 Total removal of bacteria from the applied water by Filter Tank No. 8 624 631 Water from faucet at Massachusetts Institute of Technology, Boston . 82, 377 83 |