1 Minim About 1 drop, or 0.06 c.c. Symbol ♏ 60 Minims One fluid drachm ” ℨ 8 Fluid drachms (480 Minims) One fluid ounce ” ℥ 20 Fluid ounces One pint ” O 1 Cubic centimetre 17 Minims. A teaspoonful About one fluid drachm. A dessertspoonful About two fluid drachms. A tablespoonful About half a fluid ounce. A wine-glassful About two fluid ounces. A tumblerful About half a pint. A litre About a pint and three quarters. All bottles containing drugs should be doubly labelled, and the labels should be varnished, otherwise they will probably come off in a damp climate. Poisons should be kept in bottles of a special shape. Drugs in a liquid state are inconvenient for travellers. They are bulky, and require very careful packing and handling. As far as possible, therefore, compressed drugs should be selected. These must be of good quality. Tablets are often taken in the solid form, but they will act more quickly and certainly if dissolved or suspended in about an ounce of water. Some preparations, chiefly those used for preparing lotions, etc., _e.g._, of chinosol, are also made in compressed form. In regard to drugs, I have kept well within the maximum dose, so that there may be no trouble on that account. For instance, in certain cases a medical man would give sixty drops of laudanum for a dose, but I advise travellers rarely to give more than sixty drops in twenty-four hours. The urgency of the case must be the guide as to the quantity of the drug to be given. The smallest dose which is effective is the best. A supply of antiseptic gauze, wool and lint is necessary. The compressed forms are very convenient. All antiseptic gauzes and other dressings should be very carefully protected from the air in order that their properties may be preserved. They should be wrapped in oiled paper or india-rubber tissue, and kept in a tin box. A supply of bandages will also be needed. Each bandage should be two inches in width by six feet in length. _Dressing case._—The traveller should provide himself with a surgical dressing case. A suitable one should contain 1 pair of scissors, 1 pair of Spencer Wells’ artery forceps, 1 probe, 1 scoop and grooved director, 1 knife with two blades, 1 small saw with a detachable handle, and a packet containing silk, wire, needles, and pins. All active poisons mentioned in the following pages are marked with an asterisk (*). _Aloin Co. tablets._—One taken three times a day after meals, in chronic constipation, gradually reduced as bowels become regular. _Alum._—Dose, five to ten grains. Is occasionally used as an internal astringent in the treatment of diarrhœa.