OF THE OX. 283 



on the skin ; whilst in the cattle plague the in- 

 ternal organs are the principal seat of the evil. 

 This comparison will show you at once that 

 the cattle plague, or rather the cattle typhus, 

 can only he cured when the disease has run 

 its full course, as you have observed in a 

 person tainted with small-pox; so that your 

 task must be to help the sick animal to endure 

 his complaint until the end, or until he is 

 cured ; and you must not attempt to check it 

 by violent means, for if you did you would 

 hasten the death which you desire to prevent. 

 You will likewise understand that if the 

 disease as is certainly the case does not 

 attack the same animal twice, it would be 

 very beneficial to inoculate the animal whilst 

 he is sound and healthy, whenever this scourge 

 threatens as in the present time to attack 

 all cattle. Perhaps you may be told that 

 inoculation, which prevents small-pox in man, 

 cannot be applicable to cattle ; that animals 

 inoculated with the virus of the typhus have 

 all died of the consequences of the operation, 

 and so on. To all these objections you will 

 answer, with that downright good sense which 

 belongs to your class, that Nature cannot have 



