tion of this use of iodine preparations 

 because some practitioners treat per- 

 iodic ophthalmia in this manner and 

 have claimed good results repeatedly. 



Before I proceed to the discussion of 

 the special application of iodine, in a 

 number of pathological conditions in 

 animals, I would urge the veterinarian 

 to give more thought to the forms and 

 preparations of iodine of which he 

 makes use. It is a rather common 

 occurrence that a practitioner will 

 allow agents of well-known therapeutic 

 efficiency to be displaced, by others of 

 doubtful activity, on account of a small 

 difference in the cost of the same. This 

 is especially true in the case of prep- 

 arations in which the active ingredient, 

 and, therefore, the ingredient to be de- 

 pended upon for results, is iodine. 

 Iodine, to begin with, as an elemental 

 article, is costly. The veterinarian may, 

 therefore, be sure that, whenever an 

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