NECROSIS. 163 



muscles, and is applied, by some, to wasting of the muscles, 

 as is sometimes seen in sweenie. 



Narcotics, — Medicines which aot upon the nervous 

 system, diminishing its power and sensibility, and so re- 

 lieving inflammation, irritation, and pain. A medicine 

 capable of doing this, also contains the properties of an 

 anodyne, a sedative, soporific, carminative, and nauseant. 



There are but few medicines possessing this power over 

 the horse, and these are, aconite, prussic acid, veratrum, 

 and, perhaps, lobelia. In my practice, nothing answers 

 the purpose so well as aconite. It is the great antiphlo- 

 gistic. Indeed, so great is its power, that in bronchitis, 

 inflammation of the lungs, feet, and bowels, or where there 

 is pain and fever, no remedy or remedies can compare with 

 this invaluable medicine in the treatment of diseases of the 

 horse. (See Medicines and Prescriptions.) 



Nasal Gleet. — A thin, transparent discharge from the 

 aose. (See Gleet.) 



Navicular Disease. — This is a disease commonly 

 called coffin-joint lameness, and by some it is termed 

 grogginess. (See Foot Diseases.) 



BONE HOLDER. 



Necrosis. — This is a term given to a dead bone when 

 rt is attached to a sound one. The difierence between 

 caries and necrosis is this : Caries is present when the bone 



