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E X P L A N A T T O N OF T H E TABLES.
t a b l e V.
TN this table a view is given of the human'ci-ura cerebri and
cerebelli, of the tuber annulare, and medulla oblongata,
after diflefting away from them the arachnoid coat and pia
mater, in order to lliow the general direftion of their medullary
fibres.
AA. BB. CC The anterior, middle, and pofterior lobes of the brain,
nightly iketched.
D D The hemifphcres of the cerebellum.
E E The fuperior and anterior vermiform proceffes of the cerebellmn.
F F The two optic nerves cut horizontally.
G The intimate intermixture of their medullary fubftanee.
H H The optic nerves cut acrofs near the foramina optica.
II Cincritious fubftances intimately conncaed to the optic nerves, and fur-
• nifliing fome part of their medullary fubftanee; between thefe there is
a filTure through which the pia mater and blood-vcllels pafs. •
K A feclion uf the infundibulum.
L L The corpora albicantia behind the infundibulum.
MM The crura cerebri confifting, on their furface, of bundles of medullaiy
fibres.
N A cineritious fubftanee joining the crura cerebri and corpora albicantia
of oppofite fides of the brain.
0 0 The principal crura cerebclh.
P P The tuber annulare, or pons Varolii, the furfacc of which confifls of
medullary fibres laid chiefly in tranfverfe bundles.
CLCL
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