Alum, 2 oz.

Sal ammoniac, 0.125 oz.

Boiling water, half gallon.

Keep in stoppered bottle labelled "Poison."

This, it will be seen, is a modification of Goadby's Solution.

In the three preceding formulae the corrosive sublimate must be dissolved in a small quantity of spirits of some kind, or, as explained above, by the addition of a strong solution of sal ammoniac.

No. 27. — Saline Solution for bottling Fish and Reptiles.

Bichloride of mercury (corrosive sublimate), 1 grain.

Chloride of sodium (common salt), 90 grains.

Distilled water, 1 pint.