Chronic Nasal Cataorh. Nasal Gleet. Oza^na in the Horse. 89 



of pure glycerine renders the lotion at once more soothing and 

 more efficient. The solution must be rendered tepid before in- 

 jecting it, to obviate the irritation attending on the contact of a 

 cold fluid with the delicate membrane of the nose. Among other 

 agents may be named creolin, creosol, creosote, acetate of lead, 

 potassium permanganate, and .silver nitrate. Peroxide of hydro- 

 gen may be used either as injection or in spray. 



The mode of injection is a matter of no small moment. It has 

 been done in some instances by means of a large syringe but the 

 irritation attendant on such a process is an insuperable objection 

 to its use. A better instrument is that introduced by Profes.sor 

 Rey of Lyons. It consists in a tube bent on itself at an angle of 

 35" .so as to form two arms of inequal lengths. The longer fif- 

 teen inches in length, one and a half in diameter and widening 

 into a funnel at its free end ; —the shorter about five inches long 

 and tapering towards its free end where its aperture is only two- 

 thirds of an inch across. The instrument is made of block tin or 

 extemporaneously of gutta perclia. Over the shorter arm is 

 placed a tightl}' fitting leather ring four and a half inches in di- 

 ameter on which is applied some wet tow to adapt it to the no.stril 

 and effectually close it. The nose having been drawn in .so as to 

 place the head in a vertical position, the short arm of the instru- 

 ment is introduced into the affected nostril, and the liquid being 

 gently poured into the long arm rises slowly in the nose until it 

 is filled and the liquid flows from the nostril on the opposite side. 

 In introducing the tube care must be taken that it may not irritate 

 the inner wall of the nose on the one hand, nor pass into the 

 blind pouch, known as \.\\q. false nostril, on the other. 



The greatest gentleness and tact are requisite in thus injecting 

 the nostrils, though in troublesome animals it is sometimes neces- 

 sary to resort to blindfolding or even to the application of a twitch 

 on the ear, or finally to strapping the animal (head included) to a 

 smooth firm vertical surface (operating table). 



