Hamajiatm. i j 7 
extream capillary VelTels being inlarged, both 
by the greater Force and Heat of the Blood. It 
may therefore be reafonably concluded, that 
in the greatefl Motion of the Body, and quick- 
efl: and fullefl: Pulfe, the Force of the Blood 
will not rife proportionably from eighty to one 
hundred and feventeen Inches; but may rea- 
fonably be fuppofed not to exceed a hundred 
Inches 5 that is but Part of the Force 
which burft this Artery. 
5. The carotid Artery of the Mare ufed 
in Experiment III. was fo ftrong that I could 
not break it with my Condenfer. 
6 . Her jugular Vein burft with a Force e- 
qual to a Column of feventy fix Feet Height 
of Water 5 but it was in a part where by often 
bleeding it was near double its natural Dia- 
meter. The other Part of that Vein which 
was i Inch Diameter, burft with a Force e- 
qual to a Column of Water pne hundred and 
forty four Feet high. A jugular Vein of an- 
other Horfe bore a Preflure equal to a hundred 
and forty eight Feet Height of Water and 
did not burft, but had fome fmall Leakages, 
out of which a little Air cfcaping prevented 
its total burfting. 
7. This 
