147 
CERATUM. 
An editorial on the U. S. P., VIII, deprecates the addition of 
petroleum products to the formulas for cerates as being a change of 
doubtful value. Of the Compound Rosin Cerate the writer says : 
A resurrection of the old Deshler’s salve, official in the 1870 pharmacopoeia, 
which might have been allowed to rest in peace. It is hardly a fit representative 
of twentieth-century pharmacy. — Drug Topics, 1905, v. 20, p. 196. 
CERII OXALAS. 
Wolff, Hermann, discusses the preparation of pure cerium salts, 
particularly of the double salts with ammonium. — Ztschr. f. anorgan. 
Chem., 1905, v. 45, pp. 89-115. 
Meyer, R. J., presents a chronological list of the publications re- 
lating to the rare earths, cerium, ytterbium and thorium, from 1751 
to 1905.- — Ztschr. f. anorgan. Chem., 1905, v. 45, pp. 416-480. 
An unsigned note discusses the work of P. Hollande, who finds 
that the cerium salts are toxic, the ceric more so than the cerous. As 
to the symptoms, he finds that there is a striking analogy between 
cerium and lead. Cerium should be placed among the neuro-muscu- 
lar poisons. — Sc. Am. Suppl., 1905, v. 59, p. 24588. 
CETACEUM. 
Francis, John M., points out that in the final test it is better to 
add the shavings of spermaceti to a few cubic centimeters of aqua 
ammonia, heat until the former is melted, shake well, cool, and filter — 
the filtrate is then acidified as indicated. — Bull. Pharm., Detroit, 
1905, v. 19, p. 364. 
Fendler (Chem. Ztg., v. 29, p. 555) presents some interesting re- 
sults from the examination of crude sperm oil of known origin. — 
Abstr. Pharm. J., Lond., 1905, v. 21, p. 115. 
CHARTA SINAPIS. 
Gerrard, A. W., criticises the official (Ph. Brit.) formula for 
charta sinapis, and suggests improvements in manipulation. He also 
cautions against exposure to light and air in the drying process, 
otherwise the mustard bleaches and the rubber perishes. — Proc. Am. 
Pharm. Ass., 1905, v. 53, p. 522 (from Pharm. J., Lond., v. 19, p. 
805). 
CHIMAPHILA. 
Eberle, E. G., mentions Chimaphila umbellata as being among the 
medicinal plants found in Texas. — Proc. Am. Pharm. Ass., 1905. 
v. 53, p. 304. 
