[812] 
A Letter from Mr. William Mufgrave Fellow of New 
College Oxon : arid one of rhe Secretaries of the 
Royal bocKty, to the Learned Dr. Martin Lilter, 
wherein He endeavors to prove that the Ladteals 
frequently convey Liquoro that are not White. 
Honored Sir ^ . 
THAT confiderable Experiment of Yours, made 
for altering the colour of the Chyle in the Lableal 
Veins, ( which I have found to fucceed, by injecting a 
pint of a Decoftion of Stone-blew^ into one of the Inte^ 
fiina tenuia of a Dog, kept fafting 56 hours &c.) does 
not only claim my aflent to the Conclufion you draw 
from it, viz. That a color'd Liquor may find admittance 
into the Lalleal Veffels s but alio has ( in part ) been 
the occafion of my inclining to an Opmion, That the 
LadlealsjT^^?//?;2^/y convey liquors which are not^^to^: 
In Confirmation of which Propofition, Imuft beg leave 
Firft to give you an account of iomc ExPeri?nentj I have 
lately made, relatmg to this matter ; and lecondly to 
offer at fome Deductions from them ; The Experi- 
ments are of three kinds 5 
r- 
I kept 2 Do^s fafling, one 48 hours,, the other 3 daies, 
and then ope n'd them ^ in both a confiderable number 
(above 20, where feweftj of the Z^^S^^z/j appeared Pel- 
lucid, like Lymphatics only not fo full and turgid, as 
thofe under the iver are generally, or as the Latleals 
themlelves are fometimes, feen: I cut ieveral of them 
in 
