OPERATIONS ON THE MOUTH, PHARYNX, ETC. 127 



this latter point, because if any portion is left the ranula will 

 reappear after a short interval.^ 



After-trcatuicnt consists in washing out the mouth several 

 times a da}- with some astringent and antiseptic coUutorium, 

 such as that of alum (5 to 10 grains to i ounce), chinosol (half 

 a grain to the ounce), or boracic acid (10 grains to the ounce). 



Fig. 96. — Cat with Ranula. 



Scarification of the Tong-ue. 



This treatment is advisable in some cases of glossitis, and 

 consists in scarifying the tongue freely but not deeply in a 

 longitudinal direction in several places. The under or 

 lateral surfaces are usually chosen, and the operation is 

 performed with, a small gum lancet or scalpel, the blade 

 being protected from entering too deepl}' by being wrapped 

 with cotton-wool or to^^•. 



1 Journal of Comparative Pathology ond Therapeutics, vol. x., p. 358 ; 

 Veterinary Journal, vol. Ix., p. 333 (Ridler and Hobday). 



