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iiabitants of mountaiuous countries, and has Ijeea 

 supposed to be dependant on some particular quality 

 of the water in those vicinities. But in dogs no such 

 peculiarity takes place : it does not appear in them 

 indigenous to any particular soil, but almost peculiar 

 to some particular species of dogs, though other dogs 

 sometiiijes have it, as terriers ; but it is much less fre- 

 quent, and in the larger tribes is hardly ever seen. It 

 comes on generally while very young, and continues 

 to increase to a certain size, when it becomes stati- 

 onary, seldxjiii iiicrea«iiig to such a degree as to prove 

 fatah It is however troublesome, and in some mea- 

 sure hurtful, fiom the pressuKiit occasions on the sur- 

 rounding parts. If an oinUuent is made with equal 

 |>arts of mercurial a ;:d biisteriag ointment, and the 

 swelling rubbed with it every day, avoiding salivation, 

 it ccmmonly lessens and frequently wholly removes 

 it. But it is necessary also at the «arae time to give 

 internal alteratives : four, five, six, or seven grains 

 of burnt sponge, wiih half the quantity of nitre given 

 fivery mornings will be found useful. 



CANCER. 

 Tw o parts only m dogs are subject to a caaceroi^ 

 s&ction, aijd both these are organs concerned in ge- 

 neraiion. The teats of bitches become at times in- 

 durated, and swelled s^iih a schirrous indolent tumour, 

 which more comin^iily remains indilent and without 

 ulcer : but now awd tiien, w hen such a tumour hi^s in- 

 creased to a v^ry considerable size, a small ulcor 

 bursts out, which slowly increases to a very consider- 

 able surface. In the w^orst of these cases there is 

 flot present the virulent aa J horrible spreading of the 



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