150 NAVICTTLAR JOINT DISEASE. 



the frequent and almost invariable seat of these ob- 

 scure lamenesses. The membrane covering the 

 cartilage becomes inflamed and ulcerated ; the carti- 

 lage itself ii ulcerated and eaten away, the bone has 

 become carious, and bony adhesions have taken 

 place between the navicular and pastern and coffin- 

 bones, and this part of the foot has become com- 

 pletely disorganized and useless. 



SYMPTOMS. The degree of lameness is various ; 

 the horse may show lameness the first hundred 

 steps, or the first mile or two, and then less or 

 scarcely at all ; he is inclined to "point" or keep the 

 affected foot in advance of the other when standing \ 

 he may show lameness on stone or pavement and not 

 on turf or ground ; if both feet are badly affected, the 

 horse favors his heels, has short action, and wears 

 away the toes of his shoes, leaving the heels un- 

 diminished in thickness ; the hind feet may be kept 

 well under him to diminish the pressure upon the 

 forefeet; in the stable, he is mostly lying down ; 

 heat of the foot and heel, especially the heel. 



TREATMENT. In the earlier stages when there 

 exists only irritation and inflammation, and nt> 

 changes of structure or disorganizations have yet 

 occurred, the SPECIFIC for STRAINS or INJURIES, 

 B B, together with cold fermentations kept to the 

 foot, will be found sufficient. Give a dose of fifteen 

 drops four times per day 



In more extreme or advanced cases, the sole 

 should be pared down and the quarters rasped, and 

 shoe worn without nails on the inner quarter, to un- 



