412 
Wiebelitz, H., points out that it will be necessary to include tests to 
differentiate other resin and pine wood oils from oil of turpentine. — 
Pharm. Ztg., Berl., 1906, v. 51, p. 1004. 
Vaubel, Wilh., makes a contribution on the turpentine oils of com- 
merce, and outlines his method of differentiating between them by 
means of determining their bromine absorbing value. — Ibid ., v. 51, 
p. 257. 
Herzfeld, M., criticises the conclusions arrived at by Vaubel, and 
recommends the routine examination of turpentine oils by means of 
the refractometer. — Ibid., v. 51, p. 265. (See also Vaubel, Wilh., 
Ztschr. f. offentl. Chem., 1906, v. 12, pp. 107, 108.) 
Zetzsche, Franz, reviews the several methods that have been pro- 
posed for the examination of oil of turpentine. — Pharm. Zentralh., 
1906, v. 47, pp. 643-646. 
Ahlstrom and Aschan report an investigation on the pinene frac- 
tions of French and American oil of turpentine. — Ber. d. deutsch. 
chem. Gesellsch., Berl., 1906, v. 39, pp. 1441-1446. 
Schimmel & Co. report on a sample of Indian turpentine derived 
from Pinus longifolia Roxb. and the oil derived from it. — Semi- 
Ann. Rep. Schimmel & Co., 1906, Apr.-May, p. 64. 
Holley, Clifford D., discusses the collection, manufacture, and 
properties of oil of turpentine, outlines the method of analysis that 
has been adopted, and reports on a number of samples of pure and 
adulterated materials. — Rep. North Dakota Agric. Exper. Sta., 1906, 
Part II, pp. 127-137. 
An inquiry among users of oil of turpentine elicited a number of 
opinions on the probable effect of the introduction of free alcohol on 
the demand for turpentine. — Oil, Paint and Drug Rep., 1906, v. 69, 
June 18, pp. 10-23. 
Matzel, R., (Arch, internat. cle pharmacod. et de therap., 1905, v. 
15, 331) discusses the pharmacology of terpineols melting at 32° 
and at 35° on rabbits. — Abstr. in Biochem. Centralbh, Leipz., 1906-7, 
v. 5, p. 138. 
OLEUM THEOBROMATIS. 
Francis, John M., thinks a satisfactory substitute for cacao butter 
is devoutly to be wished for, but cautions against the staking of 
either money or reputation on any of them until they shall have 
been tried out for several months in both summer and winter tem- 
peratures. — Bull. Pharm., Detroit, 1906, v. 20, p. 142. 
Matthes and Muller present a table containing data regarding the 
properties of cacao butter obtained from various kinds of crude mate- 
rial. — Ztschr. f. Enters, d. Nahr. u. Genussm., 1906, v. 12, p. 92. 
Philipp Roder, Wien, would limit the melting point of oil of 
theobroma to vary from 30° to 34° C., suggests the addition of a test 
for wax, and outlines a test for pure oil. Also enumerates a number 
