THE HOBSE, ITS DISEASES. 505 



on the internal organs is required, warmth and friction should not be 

 used. 



XI. Demulcents. 

 These are gummy or glutinous substances, used to soothe and cover in- 

 flamed surfaces, or those in an irritable condition ; as inflammation of 

 the throat, stomach and bowels ; in diseases of the kidneys, or for irrita- 

 ble conditions generally. Those most in use are : Linseed tea, o-um 

 arable water, slippery elm bark tea, starch water and olive oil. Marsh 

 mallows makes one of the most valuable agents known, being especially 

 soothing to the bowels. 



xn. Disinfectants and DeodoriBers. 



The most valuable of these are, sulphate of iron, chloride of zinc, car- 

 bolic acid, chloride of lime, used for disinfecting and deodorizing drains, 

 etc. The cheapest is a solution of sulphate of iron, a good handful dis- 

 solved to each bucket of water used. As an atmospheric fumigant and 

 •disinfectant, the following is cheap, and one of the best known : 



No. 219. }i Pound flowers of sulphur, 



2 Pounds pine tar. 



Mix with a gentle heat, saturate tow with it and burn without flame. 



Carbolic acid in weak solutions, or crude carbolic acid in its liquid, im- 

 pure form, as it comes from the gas works, is valuable for brushing over 

 any wood, iron, brick or stone work. Also valuable for wetting cloths, 

 and hanging up to destroy disease germs, keep away flies, etc. 



The following formulas will be found valuable disinfectants : 



No. 220. 1 Part sulphate of zinc, 



1 Part powdered oak bark, 

 a Parts sulphate of iron. 



Mix into balls of proper size and place in drains, sink-holes and cess- 

 pools. 



Collins' disinfecting powder is made by adding 1 part of burnt alum to 

 two parts of chloride of lime. Pour on water to thoroughly wet the 

 mass, and set in shallow pans about the stable. 



The following is a powerful disinfectant • 



No. 221. 2 Pounds common ealt, 



1 Pint oil of vitriol. 



Pour the oil of vitriol gradually and slowly over the salt, and the act- 

 ive disinfectant, muriatic gas, will be evolved. 



The following, known as chloralum, is not poisonous, and has no smell. 

 To make it take, 



