_Dose._—The tablets contain 1½ gr. and one is given four times daily until ten are taken. _Then stop._ Hypodermically. Each viol contains 1 c.c. of fluid and equals 1½ gr. of digipuratum. Each dose contains enough of the active principle of digitalis to kill a 30 gm. frog. =Ergot= (_Fungus of Rye_). Contracts unstriped muscle fiber. _Uses._—To check hæmorrhage after labor. To promote involution. Must not be given in labor until the uterus is empty. _Dose._—By mouth 15–60 ♏︎ of the fl. ext. Hypodermically, 10–20 ♏︎. =Ergotole, Ergotine.= Concentrated solutions of ergot, 2½ times as strong as the fluid extract. They are sterilized and preserved in glass ampoules. _Uses._—See =Ergot=. _Dose._—30–60 ♏︎. =Green Soap.= A soap made of linseed or other oil, potash, alcohol and water. “The adoption by the U. S. Pharmacopoeia of the term Sapo Viridis (green soap) is unfortunate, since soft soap even if made from green hempseed oil will become brown-yellow unless artificially colored.”—U. S. Dispensatory. =Hæmophilia.= A condition of the blood wherein its clotting power is diminished or absent. Coagulen, horse serum, or diphtheria antitoxin may be given hypodermically. Direct transfusion of blood from another is best. =Hyoscine, Morphine, and Cactin.= (H. S. & C. Tablets). A proprietary combination of drugs. The action is said to be similar to that of morphine and scopolamine. =Iodine, Tincture.= _Uses._—To sterilize the skin before operation. In vomiting of pregnancy it is sometimes effective. Drop doses may be given well diluted. Externally it is applied to ulcers, as in Bednar’s disease, and sometimes as a dressing for the cord. In pruritus vulvæ it is a valuable application. =Iron.= Tonic emmenagogue. _Uses._—To increase the number of red blood corpuscles. To raise blood pressure and to increase the secretion of milk. _Dose._—3–5 gr. Blaud’s pill contains the carbonate in a form that is easily assimilated. =Laxatives.= Laxatives are unirritating and excite moderate peristalsis. Sulphur, magnesia, cassia, manna, cascara sagrada, the Hinkle pill, and the A, B, & S pill are usually mild in action. =Lysol.= Disinfectant and antiseptic for hands and instruments. It is a brown syrupy fluid made from coal tar oil, which is distilled and mixed with fat, soap, etc. It has a creosote odor and contains 50% cresol. Readily soluble in water. Prepared in ½–4% solutions. =Magnesia, Calcined.= Antacid and cathartic. Comes in white cakes. _Uses._—Acid stomach, vomiting of pregnancy, “heartburn,” and constipation. _Dose._—30–120 gr. =Magnesia, Milk of.= A mixture of magnesia and water. Has the same properties as the above.