REPORT ON DOURINE. 



ir 



TABLE 1 confJ. 



the length of the period of inoculation in experimental animals, that 

 is the period which elapsed between the first covering or inoculation, and 

 the primary symptom referable to Dourine 



* Subject of Vesicular Exanthema. 



(II) Period between covering or inoculation and appearance of 

 first plaque. This period is variable both in stallions and mares, 

 but more particularly so in the former, aud as the eruption of 

 plaques is the most important clinical symptom in all cases, so the 

 presence of swelling of the sheath in males can only make one sus- 

 pect the nature of the disease, but confirmatory proof is necessary 

 before an accurate diagnosis can be arrived at. Until the eruption 

 of plaques we may be certain in the very great majority of cases 

 of Dourine in equines that the disease has not become generalized, 

 but the " materies morbi " is lying dormant in some part of the 



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