JV. Grem-j I have ventured notwichftanding toreprefent 
tBe Veffels in Wood after fuch manner as they offer'd 
themfelves tome. B. OD. Fig. i. is a part of the circum- 
ference of an Oak or Afli Tree &c. being of i8 years growth 
and therefore having i8 Rings for every year one, that 
which is made the laft year being alwayes the greateft 5 tho 
ji-OC alwaies proportionably gieat^ but according as^ the 
year is more or lefs fruitful. 
a The pieces delcribed in my following Figures are 
fuch as E in the 1 5^^ Ring:»and fometimes not fo big / yet 
from fuch a part I doubt not but the Conftitution of the 
w^hole Tree may fufficiently be underftood. 
When a Tree is fawed a-crofs^ and afterwards plaind 
very fmooth, we b fte lines as it were drawn from the Cen- 
ter A. and reaching to the Circumference B. thefe are 
Veffels which carry the Sap to the Bark ; as by the ad- 
joyned Figures will appear. 
The LETT Ell. 
\/| Y laft to y 013 was oftheao'^ oi November^ wherein I 
acqumted you of my thoughts of the Stone^GraveL 
and Gout ; which I ht pe you have received. You re- 
commend to me in yoursof ihtiyt^oic^ober» toexamin^ 
fruitful and unfruitful Eggs* I have examined the Spots' 
of feveral Eggs, but have found nothing notable therein. 
I will endeavour to know whether the Egg be fruitful be-* 
fore I examin it. 
a The [me noted by Dr. Grew Anatomy of Trunks p. 24. 
* Note the Figures as they are here graved are not fe hig as thofe dspgned by the 
Aiithour being fometimes but i (or other l^art) of their lengthy and fo mufibejti^'^ ■ 
pofed not to reach from King to King as E. 
b The fame which Dr^Gttvi calls the Infcrtlonj, Anatomy ofVkPi begmyChop*!* 
\ Aa,d Dimmal Kays^ Afiamy of Trip, io, 50, , 
