. Animal physiology. Physiology, Comparative; Physiology, Comparative. PREHENSION OF FOOD. 141 where the thumb can be opposed to the fingers, the action of a single member is sufficient; but there are several animals which, like the Squirrel, use both limbs conjointly to hold their food, the extremity not having itself the power of grasping. The Ant-eaters, Woodpeckers, Chameleons, and other insect-eating animals, obtain their food by means of a long extensible tongue ; this either serving to transfix the insect, or to glue it to the surface, which is covered with a viscid saliva. The Giraffe
. Animal physiology. Physiology, Comparative; Physiology, Comparative. PREHENSION OF FOOD. 141 where the thumb can be opposed to the fingers, the action of a single member is sufficient; but there are several animals which, like the Squirrel, use both limbs conjointly to hold their food, the extremity not having itself the power of grasping. The Ant-eaters, Woodpeckers, Chameleons, and other insect-eating animals, obtain their food by means of a long extensible tongue ; this either serving to transfix the insect, or to glue it to the surface, which is covered with a viscid saliva. The Giraffe uses its long tongue to lay hold of the young shoots on which it browzes ; and the Elephant employs its trunk, which is nothing else than a prolonged nose, for every kind of prehension (Fig. 82). Many of the Invertebrata are furnished with little appendages round their mouths, by which the food is conveyed into them ; such are the palpi of In- sects, of which a pair is attached to each jaw (Fig. 84) ; the tentacula of fig. 82—Head of ele^Int. the Mollusca, which are sometimes extremely prolonged, as in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carpenter, William Benjamin, 1813-1885. London : Wm. S. Orr and Co.
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