External and Internal Parasites of Animals. 251 



couple of times at two- week intervals; the various dips on 

 the market, such as Cooper's, Little's, etc., are reliable. 



A CASE OF SCAB. 



Mange in horses and dogs is not easy to control 5 in 

 horses it affects the mane and tail; spreading to the jaws, 

 body and thighs, there is great itchiness and a tendency 

 to rub, pimples form and discharge a serum and bare 

 spots appear; the skin gets a roughened sore appearance, 

 it usually takes one to two months to develop, and is 

 very contagious, the latter symptoms distinguishing it 

 from eczema. In order to get at the parasites, the hair 

 should be clipped and the clippings burned, the animal 

 should be washed with soap and warm water to a quart 

 of which should be added a tablespoonful of concentrated 



