ASTRINGENTS. 87 



repeated full doses cause colicky pains and chronic 

 intestinal irritation. Medicinal doses act as a tonic, 

 antiseptic, astringent, and vermifuge. It is a prompt 

 emetic for the dog. Applied externally as a stimu- 

 lant, astringent, antiseptic, and caustic to foul 

 wounds, sores, ulcers, fistulse, farcy buds, exuberant 

 granulations, and to check superficial hemorrhage. 

 Given internally in farcy, glanders, purpura, chronic 

 diarrhoea and dysentery, nasal gleet, and as a nerve 

 tonic in dogs suffering from chorea and epilepsy. 



Plumbum — Lead. 



Chief Preparations. — Plumhi Acetcis, acetate 

 of lead, sugar of lead— Pb(C,H30J,.3H,0; 378.5. 

 Colorless, shining, transparent, prismatic crystals or 

 scales, efflorescent, and attracting carbonic acid on 

 exposure to air, having a faintly acetous odor, 

 a sweetish, astringent, afterward metallic taste and 

 faintly acid reaction. Soluble in 1.8 parts of water 

 and in 8 parts of alcohol. Dose : H., 3 ss.-i. ; D., gr. 



• • • • 



1.-113. 



Liquor Plumhi Subacetatis, acetum plumbi, solu- 

 tion of subacetate of lead, Goulard's extract. Pre- 

 pared by boiling together for a half-hour lead ace- 

 tate 17, lead oxide 12, and distilled water to make 

 100 parts; to be filtered when cool. This forms a 

 perfectly clear alkaline liquid, which, however, some- 

 times becomes turbid on standing. 



Liquor Plumbi Sub acet aits Dilutus, aqua plumbi, 

 diluted solution of subacetate of lead, lead water 

 (Goulard's extract 3, water 97). 



