E 39 3 
XCL 
It may perhaps feem ftrange to fome, that I have 
not all this while taken any Notice of the Blood, as 
an Agent in mufcular Motion 5 lince it has ever 
been reckoned fome way neceflary towards it. But 
notwithstanding this Opinion has been fo long and 
fo generally received, yet if our Scheme be the true 
one, it evidently appears the Blood hath nothing to 
dp with the immediate Contraction of the Mufcles. 
XCXL 
From the clofe Connection of the nervous Caplla- 
mtnia in all or moft of their Ramifications, to thofe 
of the Arteries, it feems as if the Diaftole and Syf- 
tole of the arterial Syftem was fome how ufeful to 
them. Perhaps it may affift in pufhing on the Sue - 
cus nutritius > or that clammy balfamic Juice which 
is in the Nerves, towards their Extremities $ but I 
cannot conceive that the Blood itfelf is in any way 
affifting towards mufcular Motion, except it be by 
keeping the Fibres warm, fupple, diftended, and: 
every way ready for the Influx of the nervous 
C /Ether. 
XCIIL 
t .. s ..... . < r*. • - ■ . ► - • r rr A t 
I have tied up and cut afunder both the Carotid: 
and both the Crural Arteriesof the fame Dog, with- 
out deftroying the Motion of one Mufcle. Nothing 
lefs than laying a Ligature on the Aorta dej'cendens- 
will 
J 
