. Cassell's natural history. Animals; Animal behavior. 360 XATVUAL SISTOJiY. sion of six instead of four incisors in the upper and lower jaws, lived also in India m the later Tertiary age. We have seen that at the present time Africa is inhabited by two kinds of Hippopotami, respec- tively of large and small size. We have also seen that in the Pleistocene age the larger animal inhabited Europe. It is a singular fact that abundant remains of a smaller fossil species, or Pentland's Hippopotamus, should abound in the bone caves of Sicily, and that this dwarfed species should range fi-om that isla
. Cassell's natural history. Animals; Animal behavior. 360 XATVUAL SISTOJiY. sion of six instead of four incisors in the upper and lower jaws, lived also in India m the later Tertiary age. We have seen that at the present time Africa is inhabited by two kinds of Hippopotami, respec- tively of large and small size. We have also seen that in the Pleistocene age the larger animal inhabited Europe. It is a singular fact that abundant remains of a smaller fossil species, or Pentland's Hippopotamus, should abound in the bone caves of Sicily, and that this dwarfed species should range fi-om that island to Malta, Crete, and the Morea. It is allied to the Liberian species, although it is pretty clear that it differed from it in certain details, such as iu the form of its molar teeth. A small species of Hippopotamus has been found fossil in HE UESTOUED. THE AXOPLOTHERES (AMOPLOTHERID^). Certain extinct animals living in the Eocene times, included by Cuvier in his division of the Pachyderms, and closely allied to the Hogs and Hippopotami, constitute the family of Anoplotheres. They were first revealed by the genius of Cuvier from the study of the remjiins discovered in the gypsum quarries at Montmartre; and they owe theii- name and their most distinguishing character to the fact that their teeth, which in all number forty-four, form an exen, unbroken series, like those in man, the canines not standing out sharp and prominent above the rest, as in the ca-se of the Carnivores and the, PalaMtheres found in association with them. These animaJs presented remarkable variations in size, some being as large as a Pony, while others were about the size of a Gazelle. They varied also in their proportions, some being heavily built, as in the restoration given above, while othex-s were slender and elegant like the Antelopes. They are of. peculiar interest, because they are the parent stock from which in succeeding geological ages the Euminants are derived. W. Boyd Da
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