362 Infectious Pustular Stomatitis of Horses. 



coalesce in part. In mild cases liowever tliey only occur in small 

 nnmbers. With the reduction of tlie fever the nodules change 

 into vesicles owing to dissolution of the cellular elements and 

 accumulation of pus cells. Those which develop from very small 



Fig. 60. Xodules, pustules and ulcerations in the infectious pustular stomatitis. 



nodules contain clear serum, and after they burst very super- 

 ficial erosions remain which become covered with fresh epi- 

 thelium in from 1 to 2 days. The large nodules change into 

 pustules after the conical point turns gray and later white. 



