es. Usually round-headed, these small men are in some
instances long-headed, while such marked distinctions appear at times
that Stanley classed two neighboring tribes as separate races. Here they
present features of the Mongolian, there they are similar to the Negro.
This goes to indicate that the distinction between the Negro and the
Mongolian began far back in time, but it does not prove that it is the
result of original difference in species, or that two distinct forms of
ape separately developed into man. While this is quite possible, the
theory of a single species has been most widely accepted. The chief
writers on the subject think that the differences arose during that
undeveloped stage of mankind when resistance to the transforming
influences of nature was still weak, and when the structure of the human
frame may have yielded readily to agencies which would have little or no
effect upon it now.
Of one thing we can be sure, which is that there was a wide migration of
the apes in remote times. Leaving the tropics, many species spread to
the north, extending into Europe, which at that time seems to have been
connected by land bridges with Africa, and spreading far through Asia.
There was probably nothing at that time in atmospheric conditions to
check such a migration. The Tertiary climate of Europe is believed to
have been quite mild. And the ape family is by no means necessarily
confined to warm regions. Monkeys are found to-day at high elevations
on the mountains of India, enduring the chill of ten thousand feet of
altitude.
Of the migration to Europe abundant evidence exists, fossil remains of
monkeys having been found in many localities of that continent. Among
these residents of early Europe was at least one representative of the
anthropoid apes, the fossil species known as Dryopithecus, from the
middle Miocene deposits of St. Gaudens, France. This species, apparently
most nearly allied to the chimpanzee, was taller than any existing ape.
Two or three other fossil remains, possibly of anthropoid apes of
smaller size, have been found, and Europe seems to have been well
supplied with apes of a considerable degree of development at a remote
geological period. Among those may have been the form we have designated
the man-ape, the ancestor of the human race, though no fossil relic
attributable to such a species has been recognized.
Coming down to a much lower period, we begin to find traces of man,
first in
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