The Cyclopædia of Anatomy and Physiology, Robert Bentley Todd, Longman, Brown, Green, Longmans & Roberts, 1852, ... this is especially the case with those which have the lips or nostrils prolonged into a snout or proboscis, as in the pig, the rhinoceros, the tapir, and the elephant ...
Hentet 13/1-2019 The Cyclopædia of Anatomy and Physiology, Robert Bentley Todd, Longman, Brown, Green, Longmans & Roberts, 1852, ... this is especially the case with those which have the lips or nostrils prolonged into a snout or proboscis, as in the pig, the rhinoceros, the tapir, and the elephant ...