135 THE MANAGEMENT AND DISEASES OF THE DOG. 



thing else. When the disease extends to the bones of the 

 ear, humanity dictates an end to the creature's sufferings. 



In all cases of canker, whether external or internal, it is 

 absolutely necessary, in order to ensure success and rapidity of 

 cure, that the animal should be prevented as much as possible 

 from flapping, scratching, or rubbing the ears. For this pur- 

 pose a cap of wash-leather or stout calico (the latter is 

 coolest) should be placed over the animal's head and tied 

 underneath the throat. (Fig. 21.) It should be similar in 

 shape (with the exception of the ear portion) to a horse's hood, 

 and is kept much easier in position than the usual three-cor- 

 nered one. 



Fig. 21. 

 Dog with Canker Cap, 



With regard to the further treatment of canker, I quote 

 the following from the " Veterinary Journal," Sept. 1875, p. 

 216 : 



TREATMENT OF ULCERATION IN THE EARS OF A DOG, BY 

 COCULET. 



" The disease vulgarly known as ' canker ' in the dog is 

 frequently most troublesome and unsatisfactory to treat, for 



I 



