1. Tincture of muriate of iron.

2. Sulphate of copper 1 oz., water from 4 oz. (V. C.) to a pint. - Clater.

3. Saturated solution of sulphate of zinc: in quitters. - White.

4. Alum 1/2 oz., borax 1/2 oz., boiling water 4 oz., styptic tincture 1 oz. - Taplin.

5. Muriatic acid, alone or diluted.

6. Aegyptiacum 2 oz., nitrous acid 20 drops.

7. Any of the stronger caustics (except butter of antimony) diluted with water.

8. Goulard's extract 4 oz., sulphate of zinc 2 oz., sulphate of copper 2 oz.; white vinegar 32 oz. - Villate.

9. Aloes 5 oz., weak spirit 10 oz.; dissolve, and add 6 oz. of sulphuric acid. - Duville.