MEDICINES 469 



Lead, Pluimeum. — The Carbonate of Lead had a deleterioug 

 efiect on the biped and the quadruped m the neijihborhood of 

 lead works. They are subject to violent griping pains, and to 

 constipation that can with great difficulty, or not at all, be over- 

 come. Something of the same kind is occasionally observed in 

 the cider counties, and the " painter's colic" is a circumstance 

 of too frequent occurrence — the occasional dreadiul pains, and the 

 ravenous appetite extending to everything that comes in the way 

 of the animal. Active purgatives followed by opium are the 

 most effectual remedies. 



The Acetate of Lead, Plumbi Acetas. — Sugar of lead is sel- 

 dom given externally to the horse, but is used as a coUyrium for 

 inflammation of the eyes. 



The Liquor Plumbi Subacetatis, or Goulard's Extract, or, 

 as it used to be termed at the Veterinary College, the Aqua 

 Vegeto, is a better eye wash, and advantageously used in external 

 and superficial inflammation, and particularly the inflammation 

 that remains after the application of a blister. 



Lime, — was formerly sprinkled over cankered feet and greasy 

 heels, but there are less painful caustics, and more eflectual ab- 

 sorbents of moisture. Lime-water is rarely used, but the Chloride 

 of Lime is exceedingly valuable. Diluted with twenty times its 

 quantity of water, it helps to form the poultice applied to every 

 part from which there is the slightest offensive discharge. The 

 foetid smell of fistulous withers, poll-evil, canker, and ill-condi- 

 tioned wounds, is immediately removed, and the ulcers are more 

 disposed to heal. When mangy horses are dismissed as cured, a 

 washing with the diluted chloride will remove any infection that 

 may lurk about them, or which they may carry from the place 

 in which they have been confined. One pint of the chloride 

 mixed with three gallons of water, and brushed over the walls 

 and manger and rack of the foulest stable, will completely re- 

 move all infection. Professor Morton, very properly, says tha 

 the common practice of merely white-washing the walls server 

 only to cover the infectious matter, and perhaps to preserve it for 

 an indefinite length of time, so that when the lime scales off, dis 

 ease may be again engendered by the exposed virus. The horse 

 furniture worn by a glandered or mangy animal will be efTectu- 

 ally purified by the chloride. Internally administered, it seems 

 to have little or no power. 



Liniments, — are oily applications of the consistence of a thick 

 fluid, and designed either to soothe an inflamed surface, or, by 

 gently stimulating the skin, to remove deeper-seated pain or in- 

 flammation. As an emollient, one composed of half an ounce of 

 extract of lead and four ounces of olive oil will be useful. , For 

 sprains, old swellings, or rheumatism, two ounces of hartshorn, 



