526 
PROFESSOR TIEDEMANN ON THE BRAIN OF THE NEGRO. 
reason of the innumerable evils which retarded the civilization of the African tribes. 
Great Britain has achieved a noble and splendid act of national justice in abolishing 1 
the slave trade. The chain which bound Africa to the dust, and prevented the suc- 
cess of every effort that was made to raise her, is broken. Hayti and the colony ot 
Sierra Leone can attest that free Negroes are capable of being governed by mild 
laws, and require neither whips nor chains to enforce submission to civil authority. 
Explanation of the Plates. 
Plate XXX. 
Upper surface of the brain of a male Negro, set. 25. 
Plate XXXI. 
Side view of the same brain. 
Plate XXXII . 
Base of the same brain, 
а. Anterior lobes of the cerebrum. 
h. Middle lobes. 
c. Posterior lobes. 
d. Grey tubercle, or floor of third ventricle. 
e. Infundibulum, or pedunculus of 
f. The pituitary gland, or hypophysis cerebri. 
g. Eminentise candicantes, or corpora albicantia. 
h. Crura cerebri. 
i. Pons Varolii. 
k. Cerebellum. 
/. Floccus cerebelli. 
m. Corpora pyramidalia. 
n. Corpora olivaria. 
o. Section made at the termination of the medulla oblongata. 
l. Olfactory nerves. 
2. Optic nerves. 
3. Motores oculorum. 
4. Pathetici. 
5. Trigeminal nerves. 
б. Abducentes. 
7. Facial nerves. 
8. Auditory nerves. 
