200 
CALAMUS. 
Henkel. Alice, mentions A corns calamus L.. also known as calamus, 
and sweet flag, as found in wet and muddy places and along streams 
from Xova Scotia to Minnesota, southward to Florida and Texas. — 
Bull. Bur. Plant Ind., TJ. S. Dept. Agric., Xo. 89. 1906, p. 8. 
Hankey. "William T.. points out that the consumer, as a rule, pre- 
fers the peeled calamus and that this is most widely used and sold. — 
Am. Druggist. X. Y., 1906. v. 49. p. 361. 
CALCII CARBONAS PR^CIPITATUS. 
Kebler, Lyman F.. reports a sample of calcium carbonate C. P. as 
being a heavy, coarse powder containing sulphates, chlorides, and a 
compound of sodium. — Proc. Am. Pliarm. Ass., 1906, v. 5L p. 348. 
Ohliger. Willard, reports precipitated calcium carbonate which 
contained traces of iron, aluminum, phosphates, sulphates, and insolu- 
ble impurities. — Proc. Michigan Pharm. Ass.. 1906. p. 47. 
Foote and Menge report on the relative solubility of some difficultly 
soluble calcium and barium salts. — Am. Chem. J.. 1906. v. 35. pp. 
432-445. 
Lambert. Alexander, states that Ewald has suggested the use of 
carbonate of lime instead of bismuth in the treatment of gastric 
ulcer. — J. Am. M. Ass., 1906. v. 47. p. 847. 
Webster. Herbert T.. discourses on the differences between calcium 
carbonate, calcarea carbonica. and ealcarea ostrearum. The latter 
possesses the specific affinity for mucous membranes, most applicable 
in strumous subjects, but also to ** any subject presenting indications 
for it. whether strumous or not * * * Like many another remedy 
which possesses no powerful toxic or chemical action, it is a giant 
when it comes to therapeutic effect, if discriminatingly applied.” — 
Eclectic Med. J.. 1906, Cincin., v. 66. pp. 516-520. 
CALCII CHLORIDUM. 
The Ph. Brit. Committee of Deference in Pharmacy report on cal- 
cium chloride savs the formula is for a crvstalline variety unobtain- 
able under the conditions described. The characters and tests are 
very vague, but most nearly describe the anhydrous chloride, which 
might be made official. — Chem. & Drug., Lond.. 1906, v. 69. p. 863. 
Caspari, Clias. E.. reports one sample examined contained free lime 
and metallic impurities. — Proc. Missouri Pharm. Ass.. 1906. p. 102. 
Xetter, Arnold, reports that the administration of chloride of 
calcium, 1 gm. per diem (in syrup of mint), on the day of injection 
of serum and the two following days has rendered eruptions six and 
