207 
Pschorr and Knorr (from Med. Ivlin., 1905, p. 870) report re- 
searches made on the composition of morphine and some of its deriva- 
tives. — Apoth. Ztg., Berlin, 1905, v. 20, p. 629. 
Halle, Walter L., presents a didactic paper outlining the history 
of morphine and some account of the evolution of our knowledge 
regarding the composition and chemistry thereof. — Chem. Ztg., 
Cothen, 1905, v. 29, p. 1264. 
Kebler, Lyman F., found morphine tablets which differed widely 
from the labeled strength; some also contained cane sugar instead 
of milk sugar, as labeled. — Proc. Am. Pharm. Ass., 1905, v. 58, p. 185. 
Gerard, Deleard, and Ricquet review the work done on the toxi- 
cologic detection of morphine, and report on experiments made to 
demonstrate why some investigators have been able to detect only 
oxymorphine. — J. de Pharm. et de Chim., Paris, 1905, v. 22, p. 49. 
Babel, Alex., reports a study on the behavior of morphine, codeine, 
dionin, and heroin in the animal organism. — Arch. f. exper. Path. u. 
Pharmakol., Leipzig, 1905, v. 52, pp. 262-270. 
Hausmann, Walter, reports experiments made in connection with 
the study of tolerance to morphine in man and some of the higher 
animals. — Ibid., pp. 315-825. 
Luzzatto, Riccardo, reports observations made to determine the 
cause of glycosuria in cases of poisoning by morphine. — Ibid., pp. 
95-106. 
Fodera, F. A., discusses the memoir of De Busscher on the use of 
permanganate as an antidote for morphine. — Arch. Internat. de 
Pharmacol, et de Therap., 1905, v. 14, pp. 273-301. 
MYRRHA. 
Tschirch and Bergmann discuss the probable origin of the official 
myrrh, and suggest that until the origin of this drug can be definitely 
determined it would be preferable to specify that “ it is derived from 
a variety of Commiphora indigenous to northeast Africa.” They 
also present an account of experimental work done with a sample 
of myrrh of known origin. — Arch. d. Pharm., 1905, v. 243, p. 641. 
Alcock, F. H., found from 3.8 to 17 per cent of ash in commercial 
myrrh ; he also found that a considerable proportion of this ash was 
composed of magnesium, and proposes that this high percentage of 
magnesium may serve as a control for adulterations. — Apoth. Ztg., 
Berlin, 1905, v. 20, p. 671. 
The revisors of Vienna pharmacies found myrrh adulterated with 
Bdellium and Bissabol myrrh. — Pharm. Prax., 1905, v. 4, p. 38. 
Peters, E. J. (Wiener illustrierte Gartenzeitung, 1905, pp. 34-36), 
presents a review of the plants producing myrrh and some reference 
to their cultivation. — Bot. Centralbl., 1905, v. 100, p. 93, 
