Gray, J.E., 1869. On the incisor teeth of the African rhinoceros. Proceedings of the Zoological Society of London 1869 March 11: 225
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| Location: |
Africa - Eastern Africa - Ethiopia |
| Subject: |
Morphology - Skull |
| Species: |
Black Rhino |
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Skull from Abyssinia. The skull of the nearly adult female specimen of Rhinaster keitloa in the British Museum killed by Mr. Jesse in Abyssinia has the small intermaxillary bones well preserved. They are not united together in front; the dental edge has unfortunately been injured in the varriage from Abyssinia; but they each exhibit small cylindrical blunt rudimentary incisor teeth. The intermaxillary of the right side has a large tooth on the hinder part; the intermaxillary on the left side has a middle-sized tooth in the middle of the dental surface, and a very small rudimentary tooth behind it near the hinder edge of the bone. These teeth would induce one to believe that in the perfect state there are two, or perhaps three, incisors in each intermaxillary; for close to the symphysis is a small alveolus in the front part of the dental margin on each intermaxillary; these do not now contain any rudimentary teeth. Prof. Vrolik has described the lower incisor teeth in the skull of the young African Rhinoceros; but I believe that they have not before been observed in the adult animal.
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On the incisor teeth of the African rhinoceros
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