52 AIDS TO THE STUDY OF PHARMACOGNOSY. 
Planten- en Dierenrijk,” Haarlem, 1865. Second edition, Am- 
sterdam, 1880. 
Planchon, ‘‘ Traité pratique dela Détermination des Drogues 
simples d’origine végétale,” 2 volumes, Paris, 1875. With illus- 
trations. 
Vogl, ‘‘ Commentar zur ésterreichischen Pharmacopée,” Band 
I. ‘ Arzneikérper aus den drei Naturreichen,” Vienna, 1869. 
Third edition, 1880, pp. 516, with 164 woodcuts. 
Wigand, “Lehrbuch der Pharmacognosie,” Berlin, 1863, 
with 141 woodcuts. Third edition, 1879, pp. 447, with 181 
woodcuts. 
Wiggers, ‘‘Grundriss der Pharmacognosie,” Gottingen, 1840, 
pp. 429. Fifth edition, “Handbuch der Pharmacognosie,” 
1864, pp. 800. 
Wittstein, ‘ Handworterbuch der Pharmacognosie des Pflan- 
zenreichs,” Breslau, 1883, pp. 994. 
The numerous drugs in use in India, especially those of the 
western portion of the peninsula, have been thoroughly consid- 
ered by: 
Dymock, “‘ The Vegetable Materia Medica of Western India,” 
Bombay (London), 1883-1884, pp. 786. (Compare the reviews 
in the Archiv der Pharm., 222 (1884), 249, and Pharmaceu- 
tische Zeitung, Feb. 23d, 1884. Supplement to No, 16.) 
All that has been accomplished in relation to the useful plants 
of India in the broadest sense, including the drugs, is compiled 
in the following large work in course of publication at Calcutta: 
Watt, «A Dictionary of the Economic Products of India.” 
The first volume of this work, comprising the letter A, was pub- 
lished in 1884. Large 8vo, pp. 353. 
: The drugs employed in the United States have been elaborated 
y: 
Maisch, ‘“‘A Manual of Organic Materia Medica,” Philadel- 
phia, 1882, pp. 459, with illustrations. Second edition, 1885, 
pp- 511, with 242 illustrations. 
Lloyd (J. U. and C. G. )s “« Drugs and Medicines of North 
America.” See page 48, — 
_Of the resources of Brazil, an idea is given by: 
