The disinfection of iron vessels shall be as follows

(a) Holds. — After mechanical cleansing, the hold to be thoroughly washed with an acid solution of bichloride 1 to 800 (mercury 1 part, hydrochloric acid 2 parts, water 800 parts), applied to ail surfaces by means of a hose. If danger is apprehended from the poisonous effects of the mercury deposited on the surfaces they can be subsequently washed down with clean water.

(b) Steerage. — The same treatment should be given the steerage as the hold, but when there are steam pipes provided for each compartment (for the prévention of fire), steam disinfection of the steerage should

*) It is required only if choiera has occurred on board.

Immigration des Etrangers.

be practiced. The température in ail parts of the compartments to be not less than 100° C.

(c) The forecastle or apartment for crew. — After mechanical cleansing, the application of bichloride of mercury in the manner heretofore prescribed, or steam disinfection, if facilities are provided for the sarae.

(d) Officers' quarters, cabin, staterooms, etc. — Ail compartments thereof to receive the same treatment coming under the same conditions as heretofore specified, with the following exceptions: The décorative and métal work in cabin, saloons, etc., should, after mechanical cleansing, have an application made of 3 per cent solution of pure carbolic acid , applied by means of a brush or cloths. After remaining for two hours, wipe off with dry cloths..

(e) Disinfection by twenty-four hours' exposure to 10 per cent volume of sulphur dioxide, after mechanical cleansing, may be substituted in each of the above a, b, c, and d.

11. Leather cushions shall be wetted with 3 per cent solution of pure carbolic acid, and upholstered goods may be treated in the same way, or by steam.

12. The water ballast of a vessel coming from a cholera-infected port should be discharged at sea , or if discharged in fresh or brackish water, must be previously disinfected. The tanks to be refilled with sea water or disinfected.

13. For a wooden vessel the treatment is as above, except that fumigation of the hold and living apartments with sulphur dioxide, 10 per cent volume, must précède the other treatment for the hold forty-eight to seventy-two hours; for the living apartments, twelve hours.

14. Ail solid ballast to be discharged or disinfected previous to disinfection of hold. Ail ballast discharged ashore or in fresh water to be disinfected. Only clear, hard, close-grained rock may be permitted to remain on board after disinfection by dipping (immersing) in an acid solution, 1 to 800, of bichloride of mercury. Ballast removed from vessels must not be taken from the quarantine station.

Article IV. — Détention of Passengers on account of Choiera.

1. The people detained shall be inspected by the physician twice daily and be under constant surveillance, and no intercourse will be allowed between différent groups while in quarantine.

2. The water and food supply will be strictly guarded to prevent contamination.

3. In any group in which choiera appears the sick will be immediately isolated in hospital , and the remaining persons in the group shall again undergo disinfection and be detained not less than five days thereafter.

4. After five days from last exposure to infection, any group among which no choleraic disease has developed may be released from quarantine after a final disinfection of clothing.

5. Food of a simple character, sufficient in quantity , thoroughly

Etats- Unis (t Amérique.

cooked, shall be issued to those detained in quarantine. No fruit shall

be permitted.

6. Cleanliness and disinfection of quarters and clenaliness of person shall be enjoined and enforced daily. Disinfectants shall be used where there is any possibility of infection.

7. Water-closets, urinais, privies, or troughs shall be provided, and means used for their disinfection before their contents are discharged into pits of unslacked lime.

8. The body of no person dead of choiera shall be allowed to pass through quarantine. The body should be cremated, if practicable. If not, it should be wrapped without preliminary washing in a sheet saturated with a solution of bichloride of mercury, 1 to 500, and buried, surrounded by caustic lime.

Article V. — Disinfection of Cargo of Cholera-infected Vessels.