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cough to which dogs are very subject, given as an 

 emetic once or tvvice a week in a dose of from one 

 grain to three. James's powder, in doses of double 

 the foregoing quantity, may be given with the same 

 intent. Crude antimony will be found useful in dis- 

 eases of the skin ; but it is subject to one inconve- 

 nience, which is, that it is very uncertain in its ope- 

 ration : that is, some dogs will bear a very consider- 

 able dose, w hile others cannot bear a very small one 

 without most violent and dangerous sickjiess. The ge- 

 neral dose is from lialf a scruple to half a dram, or two 

 scruples. Nitre is a very useful alterative to dogs in 

 hot itching humours and redness of the skin, in doses 

 ofiive grains to a scruple. Cream of tartar may be 

 given in similar doses hi the same cases. All the pre- 

 parations of uiercury require great caution when given 

 constantly as alteratives. Dogs are very easily sali- 

 vated, and salivation produces very hurtful effects on 

 them, tiieir teeth seldom becoming clean ever after ; 

 and those dogs lose their teeth very early, and their 

 breath also continues in ijeneral offensive through 

 life. 1 have observed that quadrupeds in general are 

 more easily affected by mercury than hujnan subjects. 

 Horses are particularly easily salivated ; but saliva-, 

 tion, though very violent and distressing in its effects 

 on them, does not appear to leave any hurtful conse- 

 quences. The whole of the feline tribe are also most 

 easily affected by mercury. 1 was desired to inspect 

 the very large lion that so long graced Pidcock's me- 

 nagerie. It may be remembered by many, that this 

 uobie animal constantly had his tongue hanging with- 

 out his mouth, w hich arose from his having been ia- 

 judiciously salivated, some years ago, by some nier- 



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