GREASE IMPETIGO EESYPELATODES. 143 



rubber glove. Many other applications can be recom- 

 mended, such as the following: 



Glycerine, . . ij. 



Sulphate of zinc, . . . . 3ij. 

 Water, . ... 1 quart. 



Or, 



I}: Sulphuric acid, . . . . Jj. 

 Sulphate of copper, . . . 51}. 

 Water, 1 quart. 



Zinc ointment is also useful in cases that are recovering, 

 and care should be exercised not to use too much water to 

 render the skin sore and thick. Wet should always be 

 avoided except at intervals, when caustics and astringents 

 have to be applied. 



In addition to local applications, the animal must be 

 treated constitutionally by occasional purgatives, regular 

 exercise, and, in inveterate cases, by the internal adminis- 

 tration of arsenic, giving an ounce of Fowler's solution 

 daily for a month or two. Great attention must be paid to 

 cleanliness of the skin. 



ECTHYMA. 



Writers on veterinary medicine are silent on the subject of 

 ecthyma in the lower animals. The term is applied in man 

 to " an acute inflammation of the skin, characterised by the 

 eruption of prominent pustules of a rounded form and con- 

 siderable size, upon any part of the surface of the body. 

 The pustules are distinct and scattered, they are developed 

 on a hard and inflamed base, and terminate in dark coloured 

 crusts, which leave a deeply congested surface, and often a 

 brown stain, on their fall, and sometimes a superficial ulcer 

 followed by a cieatrix." The fact that the domestic animals 

 have their skins covered with a dense coat of hair accounts 



