C 3^ ) 
the Glandula Vitultana fubfervient, to wbicli it fendfs 
many Ramifications , in reducing much of the arterious 
Blood, as it is ^Ifo to the hfundihulum (which he looks 
upon as a great Lymphedutl} in reducing tlie Lympha 
feparated in the form of Vapours within the Coocame- 
ration of the Braio^ and there condenfed into that form. 
Here he obferves this Gland in Men, not to be fufpended 
in the Sella Tureica sgainft Fiet^ffenim, ihewiog the rea- 
fon of this different Situation from Brutes. He obferves 
thtGlandula Pitmtaria to be of two different fubflances, 
one accommodated for the conveyance of Blood, the 
other of Lympha^ giving feveral reafons why it is rather 
a Secretory than Excretory Gland, receiving from the 
Brain by the infundibdum rather a profitable than un- 
profitable Liquor, 
Chap. lo. Treats of the Glaudula Vinealis^ which 
by an Obfervation made in an Hydropick Body, he 
Ihews to be of the Conglobate, or Dymphatick kind, 
and the occafion of des Cartes Thantafy^ Vieuffenius^ 
^nd feveral others Anatomifts about its ufe is fliewn. 
Chap. 11. Gives an account of the conftitutivc 
parts of the Brain, properly fo called , which are 
found to be of two Subftaoces ,* the firft taken no- 
tice of by Archang, Piccokminm^ but more diftinft- 
ly by Leuwenhoek ; the reafons are affigned of the 
different Colours, this part appears to be of both, 
according to others, and his own Sentiments. The 
Generation, Exiftence, Motion or Dipenfation of the 
Animal Spirits are here treated of ,• and by what ap- 
pears from the niceft Teft of Senfe there, neither can 
nor need be any other Idea formed of them, than 
what 
