13. (Deschamp’s ALKALINE DENTIFRICE.) From powdered talc, 4 oz.; bicarbonate of soda, 1 oz.; carmine, 6 gr.; oil of mint, 12 or 15 drops.
14. (Florentine dentifrice.) From prepared shells, 4 oz.; orris root, 11⁄2 oz.; bitartrate of potassa, 3⁄4 oz.; Florentine lake, q. s. to colour.
15. (Galvanic dentifrice.) From gold, 3 leaves; silver, 4 leaves; triturate them with alum and sulphate of potassa, of each 11⁄2 dr.; then add, of dry common salt, pellitory of Spain, and Peruvian bark, of each 1 dr.; prepared hartshorn, 1 oz.; mix, and either colour it blue with smalts or red with lake. A useless compound.
16. (Grosvenor’s.) From red coral, 3 lbs.; prepared oyster-shells, 21⁄2 lbs.; orris powder, 1⁄2 lb.; oil of rhodium, 25 drops. Rose-pink is now commonly substituted for the coral.
17. (Hemet’s.) From cuttle-fish bone, 6 oz.; cream of tartar, 1 oz.; orris root, 1⁄2 oz.
18. (‘Lancet.’) Red bark and Armenian hole, of each 1 oz.; powdered cinnamon and bicarbonate of soda, of each 1⁄2 oz.; oil of cinnamon, 2 or 3 drops.
19. (Lardner’s.) From charcoal, in very fine powder, 1 oz.; prepared chalk, 3 oz.; mix.
20. (Mialhe’s RATIONAL DENTIFRICE.) From sugar of milk, 3 oz.; pure tannin, 3 dr.; red lake, 1 dr.; oils of mint and aniseed, of each 7 or 8 drops; neroli, 4 or 5 drops.
21. (Myrrh dentifrice.) From cuttle-fish bone, 6 oz.; myrrh and orris root, of each 2 oz.
22. (Pearl dentifrice.) From heavy carbonate of magnesia or precipitated chalk, 1 lb.; finest smalts, 3 dr.; essence de petit grain, 1⁄2 dr.