Lewis’s Silver Cream. This nostrum is said to depend for its efficacy on white precipitate and a salt of lead.

Locock’s Pulmonic Lozenges. See Wafers.

Mahomed’s Paste. See Electuary.

Mardant’s Norton’s Drops. A mixture of the tinctures of gentian and ginger, holding in solution a little bichloride of mercury, and coloured with cochineal.

Marriott’s Dry Vomit. A mixture of equal parts of tartar emetic and sulphate of copper.

Marsden’s Drops. A coloured solution of corrosive sublimate. (Dr Paris.)

Matthieu’s Vermifuge.a. (To destroy the worms.) Tin filings, 1 oz.; male fern root, 6 dr.; worm seed, 4 dr.; resinous extract of jalap and sulphate of potassa, of each 1 dr.; honey, q. s. to form an electuary.—Dose. A teaspoonful, repeated every third or fourth hour for 2 or 3 days, when the following is to be substituted, and continued until the bowels are well acted on.

b. (To expel the worms.) Jalap and sulphate of potassa, of each 40 gr.; scammony, 20 gr.; gamboge, 10 gr.; honey, q. s. as before.

McKinsey’s Golden Cerate. This appears to resemble Poor Man’s Friend.

McKinsey’s Katapotia. This notorious nostrum is compounded of aloes, 5 oz.; soap, 112 oz. (both in powder); beaten up with syrup of saffron and a little essential oil, and divided into pills varying in weight from 2 to 212 gr. each. (‘Med. Circ.,’ iv, 86).