1 88 Management and Treatment of the Horse, 



hurting the optic nerve. It sometimes comes on 

 instantaneously after the infliction of the wound, 

 and sometimes not until a considerable time after. 

 It is caused sometimes by the animal being 

 allowed to cool too suddenly when very warm ; 

 worms have also been known to be the remote 

 cause of tetanus ; bots have also produced it. 



The usual way in which this disease comes on 

 seldom leads to suspicion of what it is, as few 

 who have not previously watched its progress can 

 trace its character. Hence it has assumed its 

 climax before persons are aware of it. In this 

 condition it can seldom be cured, from the diffi- 

 culty of administering medicine. In this affection 

 the endermic method of administering remedies 

 bids fair to become beneficial ; prussic acid, 

 morphia, atropine, conium, etc., or tinctures of 

 plants containing the last three substances are 

 readily brought to bear upon the system by the 

 endermic syringe. Injections also per anum of 

 chloric ether and its allies prove serviceable, and 

 in the trassmatic form the benumbing effects of 

 carbolic acid, as used in the antiseptic treatment, 

 are frequently of great service in reducing the in- 

 tensity of the paroxysms. It is not prudent to 

 rely upon the one uninterrupted exhibition of one 

 agent beneath the skin; they should be alter- 

 nated with each other, and used occasionally as 

 mixtures, where no risk of chemical union and 

 destruction is feared. That neglected branch of 

 veterinary therapeutics — galvanism, should be 

 tried, as much benefit is derived ofttimes from it, 

 opposite poles of the instrument being placed at 



