Pa'rASITES and skin diseases 119 



immediately the lotion is poured in to prevent 

 the too rapid evaporation of the ether. The 

 appliea,tions should be made daily for three 

 days, when the ear should again be thoroughly 

 cleaned out and filled with an antiseptic dust- 

 ing, powder, such as formidine, chinosol and 

 boric acid, one in three; methyl-ditannin, bis- 

 muth, formic iodid, etc. 



If granulations are present, attempts may 

 be made to reduce them by the application of 

 silver nitrate or they may be removed with 

 scissors or scalpel under anesthesia. There is 

 no successful l^reatment, if cerebral symptoms 

 develop. 



Hematoina of the ear flap is a common com- 

 plication, but its treatment in no way differs 

 from that of the same condition in the dog. 



Dermatomycosis 



The dermatomyces affecting the cat are 

 Trichophyton, Microsporon, and Achoriori, 

 the first two^named causing ringworm, the lat- 

 ter favus. 



Trichbphytosis and microsporosis in no way 

 differ in type from the ringworms affecting 

 other animals. Favuis- is more particularly 

 peculiar to the cat and therefore it alone will 

 be considered here. 



The fungi responsible for the condition are 

 the Achorion quinckeanum and Achorion 



