356

CALCIUM

taste and smell; then dry the stones, bruis«them in an iron mortar, and levigate, addinga little water, to reduce them to a light paste.Make this into trochiscs, and dry them inthe shade. (Gall.)

R. Cleansed Oyster Shells, any quantity.

Boil them for two hours with one thirty-second part of potass, one sixteenth of lime,and a sufficient quantity of water to coverthem. Then wash them well, and hoil themagain with a double quantity of pure water;lastly, clean them with a brush, wash withcold water, dry, bruise, and levigate them.(Van Mons) "

The subcarbonate of lime is devoid ofall action upon the animal economy exceptthat which may result from adventitiouscombination or from its presence mecha-nicallv. It was formerly recommended toabsorb the acids of the stomach, when dis-eases were attributed to the presence ofthose menstrua which are now known to beindispensable to the accomplishment of di-gestion. Materia medica would suffer noinconvenience by its being banished fromits lists.

LOZENGES OF CRAB'S EYES. (GaLL.)

R. Prepared Crab's Eves, one ounce.

White Sugar, four ounces.

Mucilage of Tragacanth,

a sufficient quantityto moke lozenges.

ANTACID POWDER. (ASIST. ; BaTAV. ;

PaLAT. ; WlRTEM.)

R. Prepared Crab's Eyes, two ounces.Subcarbonate of Magnesia, one ounce.

Mix. (Batav.)

R. Prepared Crab's Claws, two ounces.

------------ Red Coral, one ounce.

Subcarbonate of Magnesia,

half an ounce.

Mix. (Amst.)

R. Prepared Mother of Pearl,"

------------- Crab's Eyes,

------------- Red Coral,

White Sugar,Hartshorn prepared with-out fire,Prepared Crab's Claws,

two ounces and a half.

Mix. (WlRTEM.)

R. Hartshorn prepared with fire,

six drams.Red Coral, 1

Oriental Bezoar,Prepared Pearls, I of each,

of each,

halfan ounce.

Bone of Hart's Heart, "Prepared Hyacinth,

------------- Sapphire,

----- Ruby,

-Emerald,

of each,two scruples.

twelve.

Gold Leaves,Make a fine powder. (Wirtem.)This absurd preparation, called Pulvisbezoardicus Sennertii, received the epithetof incompletus when it did not contain thebezoar.

R. Oriental Bezoar,- Pearls,

Red Coral,

Amber, S-

Hartshorn prepared

without fire,Crab's Eyes, J---------- Claws,

of each,half an ounce.

three ounces.

Crab's Eyes,Amber,White Bole,

four scruples.

Make afine powder. (Palat.; Wir-tem.)

It is prescribed as an absorbent. — Dose,from a scruple to half a dram. All thesepowders should be abandoned. The lastformerly had the reputation of being usefulin intermittent disorders, malignant fevers,small pox, and measles. Such error doesnot now require to be refuted.

COMPOUND POWDER OF CHALK.

Pulvis Cretce seu Carbonatis Calcis compo-silus, Speciesdiacretce. (Lond.; Edinb.;Am r:ii. ; Palat.; Wirtem.; Augustin ;Cadet de Gassicourt; Niemann;Spielmann ; Van Mons)

Pulvis Creta? compusittis. (LoND.)R. Prepared Chai k, half a pound.Cinnamon Bark, four ounces.Root of Tor

mentilGum Acacia.Long Pepper,Reduce them separately to powder,and mix.

Pulvis Carbonatis Calcis composilus.(Edinb.)

R. Prepared Carbonate of Lime,

four ounces.Cinnamon Bark,

one dram and a haif.Nutmegs, half a dram.

Make a powder.

Amer.; Coxe ; and Niemann prescribethe same as Edinb.

Van Mons prescribes one part of nut-megs, one and a half of cinnamon, andsixty-four parts of chalk.

on DinsTorO

cacia, J

of each,three ounces.

half an ounce.