(30 
what is agreabl'e to a depurate Liquor, from whence 
they may not improperly deferve the denomination of 
Animal Fluids anfwering all the intents of Nature, 
with relation to Animal Fundions. 
Chap. IX. After a recital of the various Opinions 
of moft of the modern Writers about Mufcular Mo- 
tion, of which feeing many are repugnant to com- 
mon Experience, and none of them fufficient to an- 
fwer all the difficulties occuring about that a£tion, he, 
is obliged to inquire after a more adequate Hypothe- 
fis, built upon the properties of the Animal fluid, and 
ftrudture of the Nervous and Mufcular Fibres, and 
greatly favoured by an Experiment of injeding water 
into the Arteries of a Dog, by means whereof, doubts 
not, but that fatisfadion may be univerfally given to 
any difficulty reprefented by, in that adlion. 
Chap, 13. Here the Brain is confidered, in regard 
to its particular conformation and all its parts, as they 
fall moft naturally in difledion defcribed, amongft 
which, he fees not how that part by Fieujfenius fub- 
ftituted to that of the Ancients, for a Fornix does in 
any wife more properly deferve that name, that Of- 
fice being performed quite another way. The Rea- 
fon of the Hippocampi or Bomhyces, being fo called 
by Aurantius, is here given, and the Error of Mai- 
pighius about the StriiB in thofe parts redified. Dr. 
Willis miftakes the Situation of the corpora Jlriata ; 
a particular Medullary trad is obferved running be- 
twixt the Thalami Nervorum Opticorum , & corpora 
fir lata. The Trad by 'Vieujfenius, called, nervuti cemu' 
lus is found to be much larger, and therefore to de- 
ferve 
