ECZEMA SIMPLEX. 133 



Kepeat the ball, with exercise and fomentation. 18th. Much 

 the same ; does not purge ; repeat ball. 19th. Purges 

 briskly ; no fresh eruptions ; legs less swollen. Foment and 

 exercise. 20th. Again better. No fresh eruptions ; old 

 ones becoming dried up and shrinking. Swelling less in the 

 limbs. Continue exercise and fomentations. 21st. Going 

 on well. 30th. Sent to the troop-stable. No fresh erup- 

 tions having appeared, and the old ones having broken and 

 discharged a sort of glutinous or albuminous fluid, which 

 had matted the hair together, and afterwards caused its 

 separation, while the cuticle came off in white scales, like so 

 much scurf." 



In the dog the first indication of simple eczema is the 

 animal scratching itself and rubbing its back violently, which 

 is not unfrequently accomplished by running to and fro 

 underneath a sofa. If such cases are not well attended 

 to, they soon result in the severe form of eczema which I 

 have next to describe. 



RED MANGE ECZEMA RUBEUM. 



This is the common red mange of smooth terriers and 

 greyhounds, in which the eruption of vesicles is seen to 

 occur on an inflamed skin, of a very red colour, and exces- 

 sively irritable. The limbs, belly, and chest are red and 

 sometimes swollen. The surface of the skin is often moist 

 and excoriated, and the discharge which thus flows is acrid, 

 irritating, and keeps up the disorder. 



A form of eczema rubrum is induced by mercury, and is 

 termed eczema inercuriale or hydrargyria. Mr Percivall 

 refers to this in his work on the " Effects of Medicines." A 

 considerable number of cases have been recorded as occurring 



O 



in cattle and dogs, and due to the incautious application of 

 mercurial ointment to the surface of the skin. An eruption 



