60 
not alone the activity, but also the concentration of galenical prepara- 
tions. — Pharm. Post, Wien, 1905, v. 38, p. 775. 
MacEwan, Peter, in a review of the U. S. P., says : 
Of analysis, purity, assaying, nomenclature, posology, therapeutics, and what 
not, there is enough and to spare; but galenical pharmacy is conspicuous by 
its subordinate position. Four dozen preparations new to the book have been 
added and formulas for six dozen or so have been removed. — Am. Druggist, 
N. Y., 1905, v. 47, p. 95. 
Gadd, H. W. & S. C. (Pharm. J. Lond., v. 20, p. 435), in a study of 
commercial samples of official galenicals present a tabulated sum- 
mary of wholesale jiroducts, extending over five years. — Year Book 
Pharm., Lond., 1905, pp. 273-274. 
Simms, G. G. C., criticises the methods that are followed and the 
lack of care that is manifested in the keeping of galenical prepara- 
tions. — Proc. Am. Pharm. Ass., 1905, v. 53, pp. 389-391. 
Fisk, Frank E., presents short methods for making some of the 
official preparations. — Ibid., pp. 392-396. 
Caldwell, Paul, presents an approximate estimate of the cost per 
pint or pound of official preparations. — Drug. Circ. & Chem. Gaz., 
1905, v. 49, p. 382. 
4. PERCOLATION. 
MacEwan, Peter, asserts that — 
The most striking feature in the new pharmacopoeia is the blow which it 
strikes at percolation. Not a severe blow, but sufficient to arrest the thoughtful 
among pharmacists. We have been apt to regard percolation as the surest 
method of extracting the soluble constituents of drugs, and the idea has carried 
us beyond the limits of safety in some cases. So I welcome the macero-shaking 
process which has been adopted in the majority of the assay processes and with 
at least some of the now official tinctures. — Am. Druggist, N. Y., 1905, v. 47, 
p. 95. 
Katz, J. (Pharm. Zentralh., 1905, p. 486), points out that for the 
production of alcoholic tinctures the process of percolation is the more 
generally desirable as it is possible to comply more readily with the 
fundamental requirement for quantitative extraction. — Chem. Repert. 
Cothen, 1905, p. 200. 
Williams, John K., has obtained the best results with the least labor, 
when the manufacture of tinctures of gummy resinous drugs is con- 
ducted upon the plan of remaceration rather than by percolation. — 
Proc. Conn. Pharm. Ass., 1905, p. 49. 
Smith, Henry D., presents a few suggestions on percolation in con- 
nection with which he describes and figures a percolating stand. — 
Apothecary, Boston, 1905, v. 17, p. 521. 
Gordin, H. M., describes a simple arrangement for percolation With 
hot alcohol. — Proc. Am. Pharm Ass., 1905, v. 53, pp. 387-388. 
