Contagious and Epizootic Diseases. 



ing by hastening the oxidation of organic matter. Yet, at 

 times, its excess seems to be without effect as in the in- 

 fluenza of horses in 1872. Camphor and mar.y of the odor- 

 ous essential oils are supposed to be of some slight use by 

 reason of their developing ozone. 



Burning is an effectual mode of disinfecting organic 

 matter, old rotten wood-work, clothing, fodder, manure, 

 etc. It may even be used on the air by moving a plumb- 

 er's charcoal-stove from place to place over the entire in- 

 fected building. It may be equally used over the open- 

 ings of drains, or as a lamp in the ventilating outlets of in- 

 fected buildings. 



Chlorine, set free from common salt, by adding oil of 

 vitriol and a little black oxide of manganese, is an excel- 

 lect disinfectant of the air, but can only be used in vaca- 

 ted buildings, and is most effectual in a fuU light. 



EucMoriTve, a compound of chlorine and oxygen, may be 

 obtained by adding, at frequent intervals, a Httle chlorate 

 of potassa to a glass of strong muriatic acid. It may be 

 used in occupied buildings. 



Sulphurous add is another excellent disinfectant for the 

 air, and can easily be produced in any amount by burning 

 flowers of sulphur on a slip of paper laid on an iron 

 shovel. Like chlorine, it is most efficient in dayhght. In 

 occupied buildings it may be burned carefully pinch by 

 pinch without inconveniencing the stock. 



Carbolic add may also be used in occupied buildings, 

 being allowed to evaporate from shallow basins, alone or 

 mixed with ether or alcohol, fi'om saturated rugs hung up 

 at intervals, or from cloth-hned ventilating inlets, kept 

 saturated with the acid, or, finally, it may be diffused 

 through the air of a building by an atomizer. Carbolio 

 and cresylic adds may also be used for disinfecting solids 

 and liquids, being poured into drains or sprinkled on the 

 floors, walls and other parts of the building. For the lat- 

 ter purpose, the strong acid may be diluted with one 

 hundred times its weight of water. The cheap impure 



