181 
three or four times daily. — Hahneman. Month., Phila., 1906, v. 41, 
pp. 191-499. 
Additional references on the use of atropine will be found in the 
Index Medicus and the Journal of the American Medical Association. 
AURANTII AMARI CORTEX. 
Charabot and Laloue discuss the formation and distribution of 
the essential oil and the distribution of the several constituent prin- 
ciples of the oil. — Compt. rend. Acad. des. sc. Par., 1906, v. 112, 
pp. 798-801. 
AURANTII DULCIS CORTEX. 
Francis, John M., notes that the increased quantity of moist drug 
decreases alcoholic strength of the tincture of sv T eet orange. — Bull. 
Pharm., Detroit, 1906, v. 20, p. 231. 
Lyons, A. B., believes that the quality of the tincture of sweet 
orange peel is satisfactory, but that the product is too costly for the 
druggist who buys his tinctures. 
Wilbert, M. I., points out that this tincture should be prepared 
when fruit is readily obtainable. 
Other pharmacists also favor the use of fresh peel. — Proc. Am. 
Pharm. Ass., 1906, v. 51, p. 117. 
Stanislaus, I. V. S., presents (Apothecary) a method of preparing 
a stock flavoring for elixirs, vines, and aqueous liquids and for the 
expeditious manufacture of syrup of orange peel. — Bull. Pharm., 
Detroit, 1906, v. 20, p. 215. 
AURI ET SODII CHLORIDUM. 
Vanclerkleed, Charles E., says that it seems impossible to get gold 
and sodium chloride from chemical manufacturers to assay above 
25 per cent of metallic gold. The U. S. P. requirement is 30 per 
cent. — Proc. Pennsylvania Pharm. Ass., 1906, p. 122. 
BALSAMUM PERUVIANUM. 
The Ph. Brit. Committee of Reference in Pharmacy report on 
balsam of Peru says the test requires revision. The saponification 
should refer to a definite weight of residue ; the cupric acetate test for 
colophony might be introduced, and one to exclude artificial substi- 
tutes. — Chem. & Drug., Loncl., 1906, v. 69, p. 863. 
Caesar and Loretz point out that the several pharmacopoeias differ 
materially in their requirement for the specific gravity of balsam of 
Peru. The U. S. P. VIII requires from 1.140 to 1.150 at 25° C. ; 
Ph. Germ. IY, 1.140 to 1.150; Ph. NdL, 1.140 to 1.145; Ph. Belg., 
