Glycerinum

acid i carbolic i (B. P.), glycerin 4, carbolic acid I. G. acid, gallic i (B. P.), gallic acid I, glycerin 4. G. acid, tannic i (B. P.), tannic acid I, glycerin 4. G. alumin is P., alum 1, glycerin 5. G. boracis (B. P.), borax 1, glycerin 4, distilled water 2. G. plumb i subacetat. (B. P.), acetate of lead 5, oxid of lead glycerin 20, distilled water 12. G. tragacanthae (B. P.), tragacanth 3, glycerin 12, distilled water 2. Glycerin i, Suppos. (B. P.), each contains 70 per cent, by weight of glycerin. Glycerin -Cupric Test (for sugar); to an inch of pota ium hydrate in a test-tube add a few drops of copper sulphate and a few drops of glycerin Boil and add the suspected urine by small amounts up to le than one inch in the tube. Sugar will throw out the cuprous oxid, red or yellow. G. -Jelly, a valuable preparation for the treatment of eczema. It is made as follows: Gelatin, 4 drams; oxid of zinc, drams; glycerin, '2 ounce; water, 6 drams. Heat the water, oi olve the gelatin in it, then add the glycerin and zinc, and stir till cold. Before using, the jelly is melted by gentle heat in a water-bath, and applied with a soft brush. See Mounting-media.