262 APPENDIX. 
alfo accelerated, we are then immediately fen- 
fible of Chilnefs all over us ; which is doubt- 
lefs owing to the very cool Surface-Bloods then 
running in greater Plenty among the next ad- 
joining inner Veffels, which being much 
warmer are then fenfibly afFefted, with the 
Senfation of the much colder Blood from the 
Surface of the Body, 
Observation V. 
I. O the Proof given in Experiment 
X XL. Voh I. /?. 128. of a free lateral 
Communication of the Sap-vefTels in Trees, 
we may fee the Reafon why, if the Bark be 
taken, for an Inch Breadth quite round, off 
from a lateral Branch, it will often kill the Branch 
below it, tho’ on the oppofite Side, viz- be- 
caufe the disbarked Branch being thereby de- 
prived of a conllderable part of its Nourifh- 
menc, which it received from between the 
Bark and the Wood, it mufi: neceffarily draw 
more vigoroufly, a greater Quantity of Nou- 
rifliment, thro* its Sap-veffels in the Wood, 
than the oppofite Branch, whereby that Branch 
being deprived of its due Nourifhment, will 
perifh, provided the Size of the disbarked 
Branch 
