Unguentum Acidi Gallici (U. S. P. 1880). - Contains 10 per cent. Gallic Acid.

Unguentum Calaminae (Unguentum Zinci Carbonatis Im-puri; Turner's Cerate). - Contains 17 per cent. Zinc Carbonate (Imp.).

Unguentum Camphorae (Unguentum Camphoratum). - Contains 20 per cent. Camphor.

Unguentum Fuscum (Unguentum Matris; Mother's Salve). - Contains 50 per cent. of Camphorated Brown Plaster (N. F).

Unguentum Mezerii (U. S. P. 1880). - Represents 25 per cent. Mezereum.

Unguentum Picis Compositum (Tar, Comp.). - Contains Oil of Tar, 4 per cent.; Tincture of Benzoin, 2 per cent.; and Oxide of Zinc, 3 per cent.

Unguentum Sulphuris Alkalinum (U. S. P. 1880). - Contains 20 per cent. Sulphur and 10 per cent. Potassium Carbonate.

Unguentum Sulphuris Compositum (Wilkinson's Ointment; Hebra's Itch Ointment). - Precipitated Calcium Carbonate, 10; Sublimed Sulphur, Oil of Cade, of each, 15; Soft Soap and Lard, of each, 30 parts. The Lard is mixed with the Soft Soap and Oil of Cade; the Sublimated Sulphur and Precipitated Calcium Carbonate are then gradually incorporated.