SUPPLE:MENT. 485 



the different subjects, according to tlie mild- 

 ness or malignity of disease. 



Previous to the more particular descrip- 

 tion of prevalent symptoms in the animals 

 labouring under the complaint, a few gene- 

 ral observations mav be introduced without 

 the least digression. I plainly perceived the 

 disease to be much more epidemic than infec- 

 tious, and that the time of attack varied in 

 the different kinds ; but that the ratios of 

 nineteen in twenty were affected before they 

 were txoelve^month^ old. I observed hounds, 

 greyhounds, pointers, and the larger dogs, 

 were usually attacked between eight months 

 old and twelve ; while spaniels, terriers, and 

 the smaller kinds, suffered between four 

 months and nine. I also remarked the fe- 

 males were in general much less afflicted than 

 the males, many escaping entirely, and those 

 that did not, were neither so severely affect- 

 ed, nor for so great a duration. 



Havincf, about the exact time of forming 

 my predetermined chain of observations, 

 young pointers, and spaniels in my posses- 

 sion, upon whose breed I had every reasoa 



