?183 The new ambulances gave the greatest satisfaction, and the - patients appeal-oil pleased to be put into them. From one house a patient was removed with great difficulty through having to he carried down a staircase in a blanket. As each patient was removed, the place in which he lived was disinfected. Some of the houses inspected were so dark inside that lamps were indispensable. Disinfection. As soon as a plague patient was removed the Disinfecting Inspector or his Sub-Inspector came on the scene with a supply of perchloride of mercury, hot lime and other disinfectants, with pumps, mops, brushes, buckets, tubs, &c. All rags, bedding and clothes belonging to the patient, as well as articles likely to have been infected and of little value, were removed and immediately burned in the street ; the disinfection then proceeded and was carried out as laid down in the following rules for the Inform- ation of District Medical Officers :- (a) All rags, bedding, clothes, etc., belonging to persons affected, as well as all kutchra found in infected places, to be care- fully removed and immediately burned. (b) The infected place shall then be washed down thoroughly with a solution of perchloride of mercury in the proportion of 4 oz. to 30 gals. of clean water in a wooden tub or bucket, a mop being used for all parts within reach, and a wooden hand-pump for all parts beyond reach. In the use of perchloride of mercury, it must be remembered that it is a virulent poison. In dissolving it, a little com- mon salt should be used. (c) For the general treatment of the building the measures hitherto adopted by the Health Department will continue as usual. (d) Sub-Divisional Medical Officers will see that this work is thoroughly done, as the checking of the spread of the disease depends upon it. (e) Immediately on the drying up of the disinfected place, lime- washing with quicklime laid on hot should proceed. (f) Re-occupation of places so treated not to be permitted with- out the sanction of the District Medical Officer. (g) Disinfect the moree, nahani, privies and traps, scraping such places as are likely to retain filth. (h) Open out the roofs so as to admit light and air thoroughly. The above rules not being deemed sufficient, the Committee early in April considered it advisable to supplement them with a further and more complete set, a copy of which is given below :- "The Committee have noticed on occasions, when house-to-house visitation has been proceeding, that sufficient care is not taken in regard to the disinfection of rooms and houses from which plague cases have