Contractions. - Spong. Spo.

Spongia officinalis. Class, Porifer.e.

Turkey Sponge. For. names: German, Gebrannter Meerschwamm; French, Eponge torrifiee.

The horny skeleton of at least two species of sponge imported in the dry state. Care must be taken to select a specimen which has not been prepared by bleaching, as for the toilet, and to free it from all foreign substances. Before using it, it must be cut into small pieces and roasted until it has become brown and friable, and can be readily reduced to powder.

Preparations. - Trituration. Tincture, using 20 O.P. spirit.

Reference to Horn. Proving. - R. A. M. L., vi.

Proper forms for dispensing. - lx to 3, Trituration. lx and upwards, Tincture, Pilules, or Globules.