Dourine 



77 



tiou of abscesses in the sheath, scrotum and inguinal region. 

 (See Figs. 7 and 8). 



The testicles may undergo inflammation and swelling, which 

 after a time may be followed by atrophy, and they may be pushed 

 upward by the swelling or abscesses in the scrotum until they 

 rest high up in the inguinal space, where they can, not be readily 

 felt. No vesicles or pustules occur upon the genitals as an essential 

 part of this disease, but there occurs with considerable uniformity 

 a depigmentation of the skin and covering of the penis so that it 

 may largely lose its pigment and become white. This depig- 

 mentation begins upon the penis and may extend to the prepuce, 

 sheath and scrotum. In studying this symptom, it is well to 

 bear in mind that in gray horses and in those having white eyes, 

 faces or feet it is quite common to observe an absence of pigment 



Fig. S. Dourine in Final Stage. 



English Thoroughbred stallion showing paralysis and edema of 

 penis. (Baldrey. ) 



