112 DISEASES OF THE GREYHOUND. 



of saliva, which is well known and admitted to exist, but also in 

 an increase of muscular irritability, by which the dog is impelled 

 to travel blindly forward somewhere, he cares not where. This 

 muscular exertion calls for a great waste of muscular fibre, and 

 by consequence an immense secretion of new matter to supply 

 its place. This new matter is, of course, obtained from the 

 blood, and the secretion calls upon the kidneys to do their part 

 of the work, as is always the case when waste muscular fibre is 

 carried rapidly off. Now it is this part of nature's handiwork 

 which is generally prevented by man the mad dog's travelling 

 tendency is put an end to, and one of the chief means of carrying 

 off the poison is at once interfered with. Of course this is no 

 more than right, because a mad dog not only wants to use his 

 legs but his jaws also, and therefore he is not safe to be trusted 

 to his own natural instinct, and if allowed to live, he is confined to 

 the narrow limits of his chain, and consequently is unable to 

 wear down his muscles beyond the slight amount of exertion 

 which his owner permits. In Egypt, where dogs are swarming, 

 but are allowed to run at large, madness is almost unknown, 

 and the same is the case with the dogs of the Esquimaux and 

 Grreenlanders. 



The SYMPTOMS of rabies may be divided into two sets, 

 viz. the premonitory, and the confirmed. In the former state the 

 dog is sullen, and somewhat more careless of his master's caresses 

 than usual. He will feed to a certain extent, but is not particular 

 as to the nature of his food, always, however, preferring articles 

 of strong taste, such as urine, horsedung, old dirty wool or hair, 



