Volume 1

A picture book of evolution / by Dennis Hird.

  • Dennis Hird
Date:
1906-1907
Catalogue details

Licence: Public Domain Mark

Credit: A picture book of evolution / by Dennis Hird. Source: Wellcome Collection.

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    abundant in this division. Species of the true horse are also found. Fig. 92 shows one of the long-nosed apes, found at Pikermi, near Athens. PLEISTOCENE DIVISION. We have now looked at the series of animals from early Cambrian times to the great ice age, which forms the lowest part of the Quaternary rocks. This ice age is often called the Pleistocene period. True apes appear first in the Middle Miocene of Europe. Most European fossils can be referred to the family Cercopithecidas, which includes all the living Old World apes except the Simiidas—i.e., the gibbons, orangs, chimpanzees, and gorillas. The oldest fragments are jaws and teeth of a com¬ paratively large animal from the Middle Miocene of Tuscany. The best known form is the Meso- pithecus (Fig. 92) of the Lower Pliocene. Fragmentary remains of apes are known from the Pliocene and Pleistocene of India, the most interesting being typical portions of the dentition of baboons (cynocephalus), which are now restricted in their range to Africa and Arabia. Of the immediate ancestors of man, family
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