32 



THE DISEASES OF THE DOG. 



very occasionally, there is an accumulation of pus at the 

 inner angle, and simultaneously there is a purulent discharge 

 from the nostrils. The dull appearance of the eyes, generally 

 distressed appearance, pendulous tongue and lower jaw, 

 dark colour of the tongue, and dry state of the mouth, give 

 the animal a very diagnostic appearance in the dumb form, 

 in which the disease runs its course with special rapidity, 

 and there is a marked tendency to the early supervention 

 of paralysis preceded by twitchings and stiffness. In this 

 way the face, back, and hind limbs are successively 

 invaded, and at last the animal becomes thoroughly 

 paralysed. 



Fig. 13.— Figure of mad dog (dumb form). After Sanson. 



Apart from the gastric derangement above alluded to, 

 the digestive organs are sometimes the seat of spasm, and 

 the animal may collect the straw of his bed underneath 

 his belly and press on it, apparently in the hope to relieve 

 the abdominal pain. It has been noticed that when the 

 digestive canal is affected the case proves rapidly fatal. 

 In the early phases of the disorder sexual excitement is 

 common, and bitches are much less liable to be bitten 

 than dogs ; it has been observed in dog-packs of hounds 

 that one of the earliest symptoms is a tendency to lick 



