VACCINES IN PROPHYLAXIS OF DISEASE 193 



return in a day or two, emaciated, wounded, and 

 utterly changed. During the period of running- 

 mad, he may have bitten many persons and ani- 

 mals. He does not fight other dogs but bites 

 them and passes on. The dog looks sick and 

 takes no interest in his surroundings. It is the 

 rule that dogs in this condition have no appetite 

 for their accustomed food and frequently swal- 

 low indigestible objects. Swallowing is difficult 

 and, later in the disease, impossible. Convul- 

 sions now appear, and the dog may die in one. 

 More frequently a paralytic stage supervenes : 

 the animal drags himself to a secluded spot ; the 

 hind legs become paralyzed first, giving the im- 

 pression that the spine is injured. Saliva drools 

 from the mouth and the dog becomes much 

 emaciated. 



The paralytic form, ordinarily spoken of as 

 "dumb rabies", is quite frequent among dogs 

 and offers peculiar danger to man. These are 

 the cases where the owner or bystander en- 

 deavors to remove an imaginary bone from the 

 throat and becomes bitten. Spasms of degluti- 

 tion and paralysis of the throat muscles strong- 

 ly suggest an obstruction in the throat. 



Tt is a mistake to suppose that rabid dogs have 



