GREASE. 97 



*' blood is to rife in perpendicular columns, 

 ** to return the circulating fluids from the ex- 

 " tremities. Hence fwellings in the legs of 

 **horfes may be eafily accounted for, from a 

 ** partial ftagnation of the blood and juices in 

 "the finer veflels, where the circulation is 

 "moil languid; and efpecially where there is 

 " a want of due exercife, and a proper mufcu- 

 " lar compreflion upon the veffels to pufh for- 

 " ward the returning blood, and propel the 

 ** inert or half-ftagnating fluid through their 

 " vefl^els/' This is one reafon (where a reafon 

 is wanting and mufl: be obtained) , and is quoted 

 entirely for the fervice of thofe who require 

 no other. But, as many may wiih to receive 

 more fatisfadory information upon the fubjec^, 

 it will be neceflary to afford it a nicer elucida- 

 tion. 



Indeed it cannot be fuppofed that any reader 

 pofl^efilng the fmallcil degree of rational con- 

 ception will fall into this ridiculous idea, and 

 implicity believe nature has prevented her 

 own laws, by appropriating to certain offices 

 veflils. inadequate to the purpofes for which 

 they were formed. That the vefl^els are fmall 

 in the extremities mufl be acknowledged s 



H ""that 



