[ 73 "J 



with great impetuofity ; I applied fome of this 

 dufl of the puff-ball, which I confined to the 

 part, by only the palm of my hand, for about 

 tv/elve or fifteen minutes ; and the blood 

 flopped. 



I pricked, In the fame manner, the artery in a 

 horfe's leg; I drelTed it with the fame dufl, and 

 the blood flopped in like manner. 



I cut off the fore-leg of another horfe at its 

 upper part, near the thorax, and applied the 

 powder or dufl to the flump, without any 

 other dreffmg than a bladder to keep it on, 

 and the blood flopped ; notwiihflanding the 

 flruggles of the horfe to relieve himfelf, for he 

 was thrown, in order to make the operation. 



I afterwards cut off the tail of the fame horfe 

 at the place of its firfl joint ♦, and the blood of 

 the four arteries flopped like the other cafes by 

 the fame treatment. 



I caufed this horfe to be knocked on the 

 head on the fourth day after, and diffedled the 

 divided arteries-, when I found that a mem- 

 branous inclofure was formed, which was half 

 tranfparent and exadlly flopped their orifices, 

 the center of each of which had a little grume 

 of blood like a nipple. 



It mufl be obferved here that as I examined 

 the flump of this horfe while he was yet alive, I 

 faw with great pleafure, the blood force againfl 

 the faid inclofmg membrane, which being up- 

 on the level with the flefh, made it eafy for 



me 



