IL A Letter of Dr Wallis to Dr TyfoOj concern- 
ing Mens feeding on fle(h, 
Oxford, Feb. 3. 
^ SIR, 
T Hough I have not had the opportunity of Ac- 
quaintance with you, I defire you will give me 
leave to fuggeft to you a Queftion or two in your Pro- 
feflion, relating to Comparative Anatomy. 
You may perhaps cenfure me, as an Interloper in 
your Faculty : But while I was ( at Cambridge ) but a 
young Student in PhilofophyJ look'd upon the Medici- 
n£ pars Vhyjtca, as a piece of Natural Philofophji , and 
did acc:ordingly apply my felt to it, ( though without 
any defign of praftifing the Pharmaceutick^^ and to Ana- 
tomy in particular. And Dr GUjfon ("who v/as then our 
Publick Profeflbr of Phyfick, and under whom I kept^ 
as they call it, a. Vhjfick AS J hath fince told me, that 
I was the Firjl of all his Sons, that did (in a poblie-k 
Difputation ) maintain Dr Harve/s Circulation of the 
Blood., in the year 1641, (when it was but a New 
Doftrine ) being then able to trace it through the 
Arteries and Veins of the whole Body, better than now 
1 can, ("having fince forgotten much of the particularities 
thereof, upon my diverting to other Studies J Which 
I hope you will admit as an Excufe for my Interloping. 
Now, I remember to have read ( about fifty years 
agoj in one of Gaffendus% Printed Epiftles, ( printed a- 
mong fome previous peices of his, before the body of 
of his Works was publifhed, J a fuggeftion of his, 
Fffiff. (which 
