But neither in comparing
individuals with one another, nor race with race, were these faculties
equally developed. They varied with a race's average facial angles and
lines, its amount of brain, the color of its skin, and its general
organization. The facial angle of the black races might be taken at 85 deg.,
and the number of cubic inches of brain might range between 75 and 80.
In an ethnological chart hung behind the lecturer, the main body of the
Nigritian races, which was made up of the Asiatic and African negroes,
was credited with 83 cubic inches of brain as a general statement. It
was remarked however, that the brain was very small relatively to the
body, while the cerebellum formed a very large portion of the organ.
The statical and dynamical forces of the intellect were said to be
undeveloped, the animal propensities predominating. The long extinct
American Toltecs, ranking as one section of a subdivision under this
head, figured for 79 cubic inches of brain. In both directions the
intellectual forces were marked as undeveloped, but the Toltecs were
credited with great imitative powers. The other section, comprising
the Hottentots and Australian black fellows, were allowed but 75 cubic
inches of brain, or not more than 10 above the highest anthropoid apes,
and in neither did the statical or dynamical intellect pass beyond a
transitory stage of the lowest degree.
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