244),
whereas the latter has only four.
[Illustration: Fig. 244.--a, Skull of _Hippopotamus Sivalensis_,
viewed from below, one-eighth of the natural size; b, Molar
tooth of the same, showing the surface of the crown, one-half
of the natural size: c, Front of the lower jaw of the same,
showing the six incisors and the tusk-like canines, one-eighth of
the natural size. Upper Miocene, Siwalik Hills; (After Falconer
and Cautley.)]
Amongst the other Even-toed Ungulates, the family of the Pigs
(_Suida_) is represented by true Swine (_Sus Erymanthius_), Peccaries
(_Dicotyles antiquus_), and by forms which, like the great
_Elotherium_ of the American Miocene, have no representative at
the present day. The Upper Miocene of India has yielded examples
of the Camels. Small Musk-deer (_Amphitragulus_ and _Dremotherium_)
are known to have existed in France and Greece; and the true Deer
(_Cervidoe_), with their solid bony antlers, appear for the first
time here in the person of species allied to the living Stags
(_Cervus_), accompanied by the extinct genus _Dorcatherium_. The
Giraffes (_Camelopardalidoe_), now confined to Africa, are known to
have lived in India and Greece; and the allied _Helladotherium_, in
some respects intermediate between the Giraffes and the Antelopes,
ranged over Southern Europe from Attica to France.
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