The Sheep- Scab. 



II 



This wonderful propagation explains the seri- 

 ous nature of the disease, and shows the neces- 

 sity for immediate action with energetic remedies 

 or effective preventives. 



The male acarus placed on the body of a 

 sound sheep, will burrow its way into the skin; 

 in due time the pustule' is noticeable, but the 

 itching and the scab will soon disappear without 

 the employment of any specific remedy. 



The deductions arrived at from the foregoing 

 description of the acarus and its habits, which 

 are well authenticated by practical experience 

 and scientific research, establish the fact that 

 the existence of the disease is not to be attrib- 

 uted to any accessorial circumstances pertaining 

 to the general condition of the sheep; but is 

 directly accounted for by the introduction of the 

 acarus through the medium of — 



