ON REMEDIES. 133 



application. If the itch is caused by another disease, 

 both ought to be cured at the same time. When the 

 itch is not inveterate nor ulcerated, it may be cured 

 by external application, without inward medicine.* 



* The true and almost only causes of itch in sheep are the ignorance, 

 laziness, and want of care in shepherds, and the carelessness and parsi- 

 mony of proprietors. A flock well taken care of, well fed and attended 

 to, is never attacked with this disease : if some animals show symptoms 

 of it, an intelligent shepherd and careful proprietor will promptly apply 

 the remedies, before the disease should spread in the flock. 



