are still larger in that most external ear only. Similarly, when we speak of an remarkable animal, the African ant bear, or aard-vark, animalshaving large or small or long or short ears, we which spends the whole of the daylight hours deep refer solely to the external position of the auditory down… … boa and the African long-eared fox and fennec (which which the ears have been completely lost; while the Fig. 3.—HEAD OF WILD SHEEP, SHOWING THE SMALL aperture of the internal ear is reduced to little more are also inhabitants of open country) as species fur- SIZE OF THE EAR. nished with enormous…
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