1 46 Hcemajlatics. 
tbo ftrong an Injedion ; therefore, to remedy 
thefe Inconveniences, I thought it would be 
fafefi:, as well as more eft'edual, to wafh the 
Blood-veffels from a perpendicular Height of 
Water, which fliould impell it with a Force 
no greater than that of the arterial Blood : 
And after the Veflels were thus cleanfed, to 
make the Injedions of coloured Liquors, by 
pouring them thro* hot Iron Tubes of fuch 
Lengths as Experience fliould prove to be 
beft : This 1 hoped might be a likely Method 
to bring the Art of injeding to greater Cer- 
tainty and Perfedion. But tho* I have not fuc- 
ceeded herein fo well as I expeded, yet it may 
not be improper to give a fliort Account of 
fome few Attempts which I made in this 
Way; that more skilful Anatomifts may judge 
whether they fliall think it advifeable to pur- 
fue the Matter further ; in which Purfuit I 
am perfuaded they would not lofe their La- 
bour. 
2. When I intended to injed coloured Li- 
quors into the Blood-veflels of a Dog, having 
fixed a Tube 4-L7 Feet high to his left caro- 
tid Artery, and then cut both jugular Veins 
open, I immediately poured blood-warm Wa- 
ter down the Tube, to vvafii the Blood out of 
the 
