Dosage: 0.6 Cc. or 10 minims (N.F.).

Oleum Phosphoratum (Ol. Phosphorat.), Phosphorated Oil, N.F.—Phosphorus (1%), dissolved in ether and added to expressed oil of almond.

Dosage: 0.05 Cc. or 1 minim (N.F.).

Pilulae Phosphori (Pil. Phosphor.), Pills of Phosphorus, U.S.P.—Each pill should contain phosphorus (0.6 mg. or 1/100 grain) coated with tolu.

Dosage: 1 pill (U.S.P.).

Physostigma (Physostig.), Physostigma, U.S.P. (Calabar Bean, Ordeal Bean).—Yields not less than 0.15 per cent. of alkaloids (chiefly physostigmine).

Action and Uses: Antitetanic, antineuralgic, peristaltic. See Physostigminae Salicylas, which has the same actions and deserves preference because of its uniform composition.

Dosage: 0.1 Gm. or 1-1/2 grains (U.S.P.). Not used as such.

Extractum Physostigmatis (Ext. Physostig.), Extract of Physostigma, U.S.P. (Powdered Extract of Physostigma).—One Gm. extract represents about 13 Gm. of physostigma. Yields about 2 per cent. of alkaloids.

Dosage: 0.008 Gm. or 1/8 grain (U.S.P.).