The causes of prevalence of typhoid fever and its continuance in one of our Eastern cities has been the subject of much discussion. As to the causes, no satisfactory reason can be given, because there are almost as many opinions as there are doctors. As to the methods of disinfection to be employed during the prevalence of the disease in the household, there is almost perfect unanimity. An investigation was ordered by the health authorities, and we give part of the report: "The investigation showed that there had been great neglect in the matter of disinfection. 'The germ, or infectious element,' says the commissioner, 'is contained in the discharges of the patients. A thorough disinfection of these discharges has never been practiced; and they have, in an infected condition, been thrown into the sewer pipes of the house, and have in this way communicated the disease to other members of the same household.' The failure to properly disinfect the dejecta of patients is regarded by him as 'the principal cause of the spread of typhoid fever.' Thorough disinfection would, in his opinion, reduce the number of cases to those which originate outside of the city or are contracted by the use of infected milk." Nor is typhoid fever the only disease which demands this same care. It is wise to use the utmost caution in all contagious and infectious diseases. Chloride of lime and a solution of chlorinated soda are recommended by health boards and physicians. These disinfectants are not expensive, and the widely advertised necessity of their use in this way will not allow of ignorance as an excuse for not using.—Sel.