164 DISEASES OF THE HORSE. 



is impaired only, and necrosis when the bone is entirely 

 dead, and its functions have entirely ceased. When a bone 

 has fallen into the condition of necrosis, its removal be- 

 comes as necessary as the removal of any other dead or 



LISTON S BONE FORCEPS. 



foreign matter, in order that reparation and restoration of 

 the function be repaired, and a cure be made. 



Nephritis. — A technical term applied to iniflammation 

 of the kidneys, (which see.) 



Nervousness. — Few persons having the care of horses 

 have failed to observe in them, occasionally, a peculiar 

 excitability of disposition when any confusion and noise is 

 going on, and when being harnessed for work. The tail 

 becomes somewhat elevated, they move from one side of 

 the stall to the other, and pass manure from them repeat- 

 edly every few minutes, until one woukl think there was 

 nothing left in their bowels. These animals are usually 

 light bellied and poor feeders, but fleet and free goers, very 

 gay in saddle or harness, and much admired by persons not 

 versed in horse-flesh. They make excellent Sunday horses, 

 but poor every-day animals, as the constant excitement, 

 when at work, overdoes their physical powers. This con- 

 dition impairs the value of the horse very much. 



Treatment. Keep nervous horses in a place by themselves, 

 where there is no noise or sound to disturb them, and have 

 no harness or saddles in the place with them, nor clean 



