1138 Wisconsin Academy of Sciences , Arts, and Letters. 
to alcohol. The extract prepared with ether is stated to be dark olive- 
green in color and of the consistence of honey, that prepared with alcohol 
greenish-brown in color and much thicker. 
Geiger, Ph. L. 1827 
Analytische Versuche mit der Wurzel des maennlichen 
Farrenkrauts und Darstellung des Oels (01. FUicis Maris) 
aus derselben. 
Mag. f. Pharm., 17, p. 78. 
The ethereal extract when prepared from green rhizome, by extraction 
with ether in a Realsche Presse is said to be a yellowish-green oily sub¬ 
stance. 
An analysis of this extract showed the presence of 30 per cent, of resin¬ 
ous material soluble in alcohol, 50 per cent, of a fixed oil and a considerable 
amount of volatile substances. 
Tilloy 1827 
Bereitungsart des Oels des maennlichen Farrenkrauts. 
Journ. de Chim. med., 3, p. 154. [Geiger’s Mag. f. Pharm., 
18, p. 157.] 
The so-called oil of male fern is directed to be prepared by extracting 
the rhizome with alcohol. The alcoholic liquor thus obtained is treated 
with lead subacetate, filtered, and the solvent removed by distillation. 
The resulting oil is further purified by dissolving in ether and evaporating. 
Dublanc, H. 1828 
Extrait oleoresineux de Cubebe. 
Journ. de Pharm. et de Chim., 14, p. 41. 
The author’s method for preparing the oleoresinous extract consists 
in distilling off the volatile oil with water, exhausting the dried marc with 
alcohol, evaporating off the alcohol, and mixing the residue so obtained 
with the volatile oil. 
Meylink 1828 
Ueber das Extractum oleo resinosum Filicis. 
Arch. d. Pharm., 25, p. 243. 
Two ounces of the powdered male fern rhizome are reported to have 
yielded 58 grains of a dark green, oily extract to ether. 
Oberdoerffer 1826 
Ueber die Darstellung des Cubeben Extracts. 
Arch. d. Apoth. Ver., 24, p. 178. 
In the method of preparation, the oil is first obtained by steam distilla¬ 
tion, the marc remaining in the still, after drying, is then extracted with 
