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TttOCHES.

Gum-arabic, of each six ounces ;

Pure Sugar, one pound;Dissolve them in a sufficiency of boiling wa-tcr; and then concentrate the Solution overthe vapour-bath to a proper consistence formaking lozenges.

Trochisci lactucarii.

To be prepared with Lactucarium in thesame proportion and in the same manner asthe Opium Lozenge.

Trochisci magnesiae.

Take of Carbonate of Magnesia, six ounces ;

Pure Sugar, three ounces ;

Nutmeg, one scruple ;Pulverize them, and with mucilage of Traga-canth heat them into a proper mass for mak-ing lozenges.

Trochisci morphiae.

Take of Muriate of Morphia, one scruple ;

Tincture of Tolu, half an ounce;

Pure Sugar, twenty-five ounces ;Dissolve the muriate of morphia in a littlehot water ; mix it and the Tincture of Toluwith the sugar ; and with a sufficiency ofMucilage form a proper mass for making lo-zenges ; each of which should weigh aboutfifteen grains.