Mix the cerium oxalate, the powdered sugar, and the spirit of peppermint by thorough trituration in a mortar; add the fat starch by gentle trituration for a short time only; and compress in a tablet machine, using 3/8-inch die and punches, to make one hundred 0.30 Gm. tablets. 18. TABELLAE COCAINAE DULCES. Sweet Tablets of Cocaine. 0.001 Gm. (gr. 1/60). _Caution:_--Only a small number of these tablets should be ordered at one time, as centigram doses have produced lethal results in children. Cocaine hydrochloride 0.10 Gm. Vanilla cacao sugar 30.00 Gm. Mix by thorough trituration in a mortar and compress in a tablet machine, using 3/8-inch die and punches, to make one hundred 0.30 Gm. tablets. Alternate Formula. Cocaine hydrochloride 0.10 Gm. Tincture of vanilla 1.50 Cc. Cacao powder 3.00 Gm. Sugar, powdered 27.00 Gm. Mix the cocaine hydrochloride and sugar by trituration in a mortar; then add the cacao and the tincture of vanilla, and triturate again until the color is perfectly uniform; and compress in a tablet machine, using 3/8-inch die and punches, to make one hundred 0.30 Gm. tablets. 19. TABELLAE CRETAE DULCES. Sweet Tablets of Chalk. 0.12 Gm. (gr. 2). Each tablet represents approximately one half teaspoonful of the official chalk mixture. Prepared chalk 12.00 Gm. Fat starch 3.00 Gm. Red fat sugar 10.00 Gm. Mix by thorough trituration in mortar and compress in a tablet machine, using 3/8-inch die and punches, to make one hundred 0.25 Gm. tablets. Alternate Formula. Prepared chalk 12.00 Gm. Carmine 0.20 Gm. Spirit of cinnamon, 10% 0.15 Cc. Fat starch 5.00 Gm. Sugar, powdered 8.00 Gm. Mix the chalk, the flavoring, and the coloring with the sugar by thorough trituration in a mortar, until the pink color is perfectly uniform; then add the fat starch by gentle trituration for a short time only; and compress in a tablet machine, using a 3/8-inch die and punches, to make one hundred 0.25 Gm. tablets. 20. TABELLAE DIGITALIS DULCES. Sweet Tablets of Digitalis. 0.008 Gm. (gr. 1/8). _Caution:_--Owing to the toxicity of the digitalis, it is best not to order more than a limited number of these tablets at one time. Digitalis powder 0.80 Gm. Alcoholic solution of saccharin, 3% 3.00 Cc. Liquid petrolatum 0.30 Cc. Cinnamon cacao sugar 29.00 Gm. Mix the powdered digitalis with the alcoholic solution of saccharin (in a warm mortar if in a hurry) and permit the alcohol to evaporate. Then add the liquid petrolatum and triturate. Finally incorporate the cacao sugar by thorough trituration in a mortar. Compress in a tablet machine, using 3/8-inch die and punches, to make one hundred 0.30 Gm. tablets. Alternate Formula.