Craniological observations on Hyaena and Crocuta (Mammalia)

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Abstract

The results are presented of a comparative study of certain features of the cranial osteology of Hyaena hyaena (Brisson) and Crocuta crocuta (Erxleben), of the atlas and axis vertebrae and of the associated cranial and nuchal musculature. Observable osteological differences between the two forms are shown to be correlated with the degree of development of particular muscles and thus with the functional activity of the jaws in the seizing and carrying of prey. Secondary sexual characters are more pronounced in the male than in the female of either form.

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