160 DISEASES OP THE HOBSE. 



of the body, weakness, and general debility of the whole 

 system. Bowels irregular, sometimes soft, at other times 

 hard, of a pale or straw color, and frequently of bad smell. 

 All that can be done is to keep the strength and condi- 

 tion of the horse up by iron and gentian, so frequently 

 recommended throughout the book. 



Metastasis. — A term denoting a change or shifting of 

 disease from one part of the body to another, as is well 

 illustrated in cases of rheumatism. 



Moon Blindness, — (See Eye Diseases.) 



Mortification. — Death of a part. (See Grangrene.) 



Moribund. — A term in use, and applied when men or 

 animals are in a dying condition. 



Mouth, Diseases of the. — These are but few; per- 

 haps the irregularities of the teeth are the most important. 

 So much is this the case, that from diseased or carious 

 teeth, an affection arises, to many external appearances, 

 similar to glanders ; and horses have accordingly been 

 destroyed, whereas, if a carious tooth, producing a stinking 

 discharge from the nose, had been removed, these appear- 

 ances would have passed off. The edges of the teeth of 

 horses, at all ages, are apt to become sharp, and cut or 

 wound the inside of the mouth, and interfere with 

 mastication or chewing. When horses are off their feed 

 and losing flesh, it will be well to have the teeth examined. 

 To remedy any irregularity of the grinders, a rasp or file, 

 with a concave surface and long handle, is used to make 

 the teeth smooth and level. Wolf teeth are supernumerary, 

 but do no injury to either the mouth or the eyes. 



(1.) Scald Mouth. — Another simple affection of the 

 mouth, which is characterized by the horse slobbering or 



