34 Hcemajlatks. 
tide and defccnding Aorta taken together? 
and in the Dog, Numb 5. it is about of 
them. 
6^. To obviate therefore this Inconvenience, 
I fixed Tubes laterally to the jugular Veins and 
Arteries of the Dog, Numb. 13. in the fol- 
lowing manner, I took two cylindrical 
Sticks which were \ Inch Diameter, and 
i+t Inch in length 5 and having bored Holes 
through them from end to end, fomething 
larger than thofe Veins and Arteries; I then 
flit them in halves Length-ways, and bored 
another Hole thro’ the middle of one of 
them into its Cavity, into which lateral Hole 
the brafs Pipe entered 5 which was at its other 
End adapted to fit another Pipe which was 
cemented to a glafs Tube. Then having 
laid the Vein or Artery bare, I drew a lin- 
nen Cloth under it to wipe it very dry ; and 
then placed under it one of the above-men- 
tioned flit Pieces of Wood, laying the Vein 
or Artery in its Cavity, which was covered 
with Pitch, that was at that inftant afrefh 
melted with a fmall warm iron Rod ; then 
pouring melted Pitch not very hot, over the 
Vein or Artery, I immediately put on the other 
half of the fplit Wood, which had the Hole 
I bored 
