330 CANINE AND FELINE SURGERY 



seen in greyhounds and other sporting dogs, and is usually 

 caused by the animal catching its toe in some way in the 

 ground. It is readily reduced by traction and manipulation 

 if discovered at once, the foot being bandaged and the patient 

 kept at rest for a time afterwards. 



Fig. 208. — Dislocation of the Pollux. 



If reduction is impossible and the dog is uselessly lame^ 

 amputation should be effected. 



Dislocation of the Spinal Vertebrae. 



This injury is not an uncommon one, and usually occurs 

 from a sudden twist such as is caused when an animal un- 

 expectedly loses its balance and falls from a height. 



The subject of the illustration, an Aberdeen terrier, male, about five 

 years old, jumped out of a trap whilst the vehicle was going along at the 

 raie of some ten miles an hour. He fell heavily, and immediately became 

 paralyzed in the hind parts. There was retention of urine for forty-eight 



