198 THE DISEASES OF THE DOG. 



ciples j the operation is severe. It should be performed 

 under chloroform, and all haemorrhage zealously controlled 

 by styptics. Unless all the cancerous growth be removed 

 at once it is very apt to grow again rapidly. Tumours in 

 the Mammary Gland vary much in their characters ; 

 perhaps the most remarkable change which they undergo 

 is into spiculse of bone.* This is not uncommon. The 

 system of the patient operated on for these tumours will 

 generally require support by good food and a course of 

 tonics. We can " dry up " a bitch by removing the pups 

 and giving a cathartic, and milking daily. The teats are 

 sometimes the seat of Warty Growths and obstinate 

 Cracks, but these lesions are rare in the bitch, and 

 resemble those seen in other species and need the same 

 treatment. 



* Ainslie recorded an interesting ease in the ' Veterinary Record ' for 1847, 

 p. 206. 



