Chaptefj to confift of any thing befides artnies. The 
brain is divided into the cinereous Or glaiidnloiis parr, 
and the medullary or fibrous, which from its figure and 
u(e he calls the oval centre of the brain, looks upon the 
Corpus collofumx.o ho, the true Fornix^ and having given 
the defcription of all the internal parts of the brain ^ 
gives us likewife their u(e founded upon their ftrudure, 
and fo pafles to the cerebellum, in which he defcribes 
both the procejpis vermiformes, gives an account of the 
yalvuta major Cerebri, &c. 
After the Anatomy of the brain, he difcourfesof the 
office of the brain and itspart^, ofthe neceffity and na- 
ture of the Animal Spirits, and Sucms nerveus, and in 
treating oftheLy^/^^^^i/^j^ of the brain, defcribes exad:- 
ly^ the Membrana pituitaria , arid twelve Sinus $ in 
which the blood before it enters the brain cleanfes it felf 
from Phlegm, thefe hedivides into four forts according 
'to their fituation, vi^, in J?HUf Sphcenoidieds , ethmoidceos^ 
frontales and maxtllares, having dircourfcd of the mat- 
ter, place and manner of the production of the Animal 
*S^m>5 of its difpenfation, anddiftind: ways by which 
it moves within the brain, &c. He treats briefly of the 
Animal faculty's, and concludes the firfl: book with a 
fliort Chapter of judgment and Reafon. 
The SecQndBQok\io{i\iz Medulla Spinalis, where he Qb« 
ferves the method ofhisfirft book, and firft dekribes the 
four membranes of it, with their offices thengivesan ac- 
count of its Veffels, and denies that the ^iw/^j" ^^^/2^/? ver* 
tebraks are joy ned or accompaayed by the Sinus arterioji 
oiWillis ; looks upon the ^ledulia to be the brain pro- 
longed, as the Antients likewife accounted it, both as 
to the generation, and diftribntion ot the Animal Spirits 
through thofe thirty pair of Nerves which proceed from 
it, and upon this account is the fountain of fenfe, motion 
and nutrition to the parts below the head. 
The third Boo]{X.vc2il% of the Nerves, where after the de- 
A a a 2 finicioa 
