PEEIPHEEAL KERYE PAliALlSIS. 99 



the feet possibly cross each other, the hind-quarters execute 

 a sort of rolling motion, and the animal is in danger of 

 falling. The awkward movement is plainly seen when the 

 horse is suddenly turned. Beflex irritability is occasionally 

 increased. Slight bilateral atrophy is liable to be met with. 



