The veterinary pharmacopoeia, and manual of comparative therapy / by George Gresswell and Charles Gresswell ; with physiological actions of medicines, by Albert Gresswell.
- Gresswell, George, 1858-1914.
- Date:
- 1903
Licence: In copyright
Credit: The veterinary pharmacopoeia, and manual of comparative therapy / by George Gresswell and Charles Gresswell ; with physiological actions of medicines, by Albert Gresswell. Source: Wellcome Collection.
380/482 page 360
![Therapeutics.—Compound powder of ipecacuanha is used in canine practice as a sedative and diaphoretic. Dose.—Man and Dog - - - 5 to 15 grains. Pig - - - 10 to 4° „ Horse - to 3 drachms. Ox- - x 4 to f ounce. PYROXYLINUM (A. and B.). Pyroxylin. Mode of Preparation.—Mix 5 fluid ounces of sulphuric acid with 5 fluid ounces of nitric acid in a porcelain mortar. Immerse 1 ounce of cotton in the mixture, and after it is thoroughly wetted by the mixture of acids, stir it for three minutes with a glass rod. Transfer the cotton to a vessel containing water, stir it well with a glass rod, decant the liquid, pour more water upon the substance, agitate again, and repeat the affusion, agitation, and decanta- tion, until the washings no longer give a precipitate with chloride of barium. Drain the product on filtering-paper, dry on a water-bath, and keep it loosely packed in well-closed vessels containing no more than 25 grammes in a cool and dry place, remote from lights or fire. Test.—Pyroxylin is readily soluble in a mixture of ether and alcohol (go per cent.). It leaves no residue after being ignited by heat. Preparation. —Collodium. QUASSIA LIGNUM (A.1 and B.). Quassia Wood. Natural Order.—Simarubaceae. Characters.—The chips, shavings, or raspings of the wood of Picvama excelsci (B. and T., Med. PI., vol. i., plate 57). The billets or logs, from which the smaller portions are cut off, vary in length and size, but frequently they are as thick as a man’s thigh. They are covered by a dark-gray bark. The wood is dense, tough, but easily split, porous, and of a pale yellowish-white colour. A longitudinal section shows long cells containing crystals of oxalate of calcium. The chips are inodorous, but have an intense and purely bitter taste. An infusion does not become black or bluish- black on the addition of a persalt of iron. Preparation.—Infusum Ouassiae. Therapeutics.—Quassia is a bitter tonic and stomachic, and is prescribed as such for debilitated animals. As an anthelmintic ] The United States Pharmacopoeia name is Quassia, the wood of Picrami excelsa (Swartz), Lindley (Nat. Ord., Simarubeae).](https://iiif.wellcomecollection.org/image/b28062814_0380.jp2/full/800%2C/0/default.jpg)
