The Sheep-Scab. 15 



of its natural covering, — a mass of > nauseating,, 

 festering sores. 



In such a condition externally, it is no wonder 

 that the general health of the sheep should dete- 

 riorate, no matter how well fed it may be; the 

 frequent result being diarrhcea and the formation 

 of tumors in various portions of the body, until 

 the animal finally succumbs under the disease.. 



It is often remarked that the scabby sheep are 

 the poorest animals of the flock, the observer 

 seeming to forget that the sheep are in a poor 

 condition because they are infested with myriads 

 of parasites that draw nourishment from their 

 bodies; that their condition is the result and not 

 the cause. It has already been shown that 

 "there is no life without antecedent life;" hence 

 poor keep, uncleanliness, and low diet, do not 

 produce spontaneous life. Let this be kept in 

 mind when considering the origin of the mity 

 diseases, to wit, that there are no mites without 

 antecedent mites, and these must have come in 

 the case of sheep-scab from scabby sheep. 

 The locks of wool that fall to the ground from 



