COLDS, &c. 199 



So foon as the horfe is in this ftate a fympto- 

 matic fever attends, which is to be underftood 

 no more than a degree of febrile heat, or irri- 

 tabihty dependent on the original caufe, which 

 gradually ceafes as the primary difeafe is found 

 to decline. 



The blood in all thefe inflances becomes 

 languid and enfeebled by its increafe and in- 

 cumbrance, whilft its velocity is preternatu- 

 rally compelled in the ftrid:ure of the veffels, 

 upon their over-accumulated contents, which 

 palpably conftitute the obftrudiion and pro- 

 duce the fever. Having traced the very prin- 

 ciple of colds to their original caufe, and 

 pointed out their different effeds upon the 

 eyesy glands , lungs ^ and circulation^ I fliall pro- 

 ceed firft to that kind oi cold fixed on the 

 lungs, diftinguilhed by COUGH, and its con- 

 fequences, enlarging upon the other two, w^hen 

 v/e come to treat on their feparate claffes, 

 under the diforders of the eyes and ftrangles, 

 or tum.ours upon the glands. I {hall therefore 

 take this complaint in its iirft ftage, when it 

 is early difcovered by an induftrious fervant or 

 attentive mailer, and generally fubmits to 

 O 4 immediate 



