c spy ] 
may is in fhort thk. After the Artery is prep af din the 
Lamb, Kid, <&c. let a Ligature be made upon the Arm, 
$fc. of a man (liar d enough to render the Vein turgid ) in 
the place , you intend to infert the leffer end of the Silver 
pipe , which k fo fitted , that the Silver Stopper , thrufi 
into the Tube , reaches fomewhat, by its blunt end , beyond 
one of the ends of that Tube . This done , divide the skin 
of the part in the fame manner , that is us'd in cutting an 
Iffue, juft over the vein , to be opencL Then with a fine 
Lance open the vein \ or , if you pleafe , in cafe the Vein 
lye fair and high (efpecially if the shfn be fnef) you may 
open both together , according to the ujual way of letting 
blond. Which done , let an Afpjlant clap his finger , or a 
little boulfer, prepared beforehand, or the like, upon the 
Vein, a little below the Orifice , to hinder the blond from 
afcending. Keeping that pofition , infert the blunt-ended 
Tube upwards into the Vein , when * tis in, hold it and the 
sifn clofe together between your fnger and thumb. Then 
pullout of the Tube the Stopper, and infert the Pipe, by 
which the Arterial blond is to be inf ufecl from the Emit- 
tent Animal \ managing the remainder according to the 
known Method of this Experiment . . 
So far this Letter 5 which maketh the pradicablenefs of this 
Method look fo fair and eafie, that nothing feems wanting to en- 
courage the Trial,butthe Diredion and A&hnce of difcreet and 
skilful men, taking care, not to experiment it upon Subjeds, that 
have their internal parts vitiated} for as much as it feems not 
reafonable to exped, that this Transfufion fhould cure Gacochy - 
mies 9 or reftore a depraved conftitution of the vifcer a. 
We would have Laid no more of this Argument at this time, 
were we not obliged to remove a miftake found in one of the late 
French Journals-, affirming with confidence that 'tis certain, the 
■ French 
