'i:
it:. ,
[iit: .
E X P L A N A T I O N OF THE TABLES. 107
Y Part of the choroid plexus.
Z The pineal gland with two peduncles, one of which connefts it to the
fide of the third ventricle, and the other to a, which is a feftion of the
commiiTura cerebri pofterior. ,
¿) The iter ad quartum ventriculum.
c d A fe£l:ion of the nates and teilis.
e The valvula Vieuflenii.
f The arbor vitae of the cerebellum.
g The cavity of the fourth ventricle.
/j The bottom of the fourth ventricle Ihut by the vafcular or choroid plexus
and pia mater.
f A feftion of the tuber annulare.
The bafilar artery.
/ A fedion of the medulla oblongata.
tn A feaion of the upper part of the fpinal marrow.
T A B L E