PHYSICAL AND LITERARY. 26^ 



been (lopped by means of bandages and 

 compreJQTes till the lips of the external 

 wound were firmly united ; or where the 

 coats of the artery were fo injured, tho' 

 not cut through, that they were not ablq 

 to refift the force of the blood, but gave 

 way after the external wound vsras liealed. 

 This kind is mod likely to happen 

 yvhere the hole in the artery, or the injury 

 done it, is atfiiftbut fmall ; for its progrefs 

 is commonly flow and gradual. It moft 

 frequently comes after bleeding at thq 

 arm, Such aneurifms were commonly- 

 reckoned among the true ones, and were 

 ^bought to take their rife from feme of 

 the coats of the artery being cut through, 

 and the others being diftended into a 

 cyft ; but later experience has fliewn, that 

 in genera^ fuch aneurifms as follow 

 bleeding„ even though they have not ap- 

 peared till fome time afterwards, are 

 of the falfe or incyfted kind. For, in 

 moft of the cafes where the operation 

 has been performed for this kind of a- 

 neurifm, after opening the cyft, and re- 

 moving the grumous or polypous con- 

 cretions, 



