388 THE DOG IN DISEASE. 



Other forms of hernia are rare, and must be treated ac- 

 cording to the indications in each case. 



POISONING. 



The poisoning of dogs is occasionally accidental, but 

 more frequently intentional, to the disgrace of human na- 

 ture. Happily, the official poisoning of dogs not licensed 

 is now rare, though municipal blundering in the control 

 of dogs is still common enough. 



The proper method to destroy dogs that are im- 

 pounded is by the lethal chamber i. e., by inhalation of 

 carbonic-dioxide gas. "When a single dog is to be killed 

 for any reason, it can be easily and painlessly done by 

 causing the animal to inhale chloroform without any ad- 

 mixture of air. The dog may be laid on his side, the legs 

 quietly bound together, and a sponge, cotton wool, etc., 

 placed in a towel formed into a cone, on which about half 



FIG. 38. METHOD OF CONTROLLING A DOG BY A TAPE, ETC. (MAYHEW). 



an ounce of cheap chloroform has been poured, the whole 

 being suddenly clapped tightly over his muzzle. In a few 

 moments he will cease to struggle, but the cone may be 

 left in position for some time longer. 



