. Elementary anatomy and physiology : for colleges, academies, and other schools. Anatomy; Physiology. AND PHYSIOLOGY. 189 the vegetable feeders having a long tube, and the flesh feeders a short one, since animal food is so easy of stomach digestion, and the nutrient portion of it so readily taken up by the lacteals. Thus the ox has an alimentary tube fifteen or twenty times the length of the body, amounting in a full grown animal to 150 feet, the sheep one twenty-eight times its length, while many of the carnivora exhibit one only about three times the length of the body. The true Cetacea or
. Elementary anatomy and physiology : for colleges, academies, and other schools. Anatomy; Physiology. AND PHYSIOLOGY. 189 the vegetable feeders having a long tube, and the flesh feeders a short one, since animal food is so easy of stomach digestion, and the nutrient portion of it so readily taken up by the lacteals. Thus the ox has an alimentary tube fifteen or twenty times the length of the body, amounting in a full grown animal to 150 feet, the sheep one twenty-eight times its length, while many of the carnivora exhibit one only about three times the length of the body. The true Cetacea or Whale tribe are the only ones which do not have a marked distinc- tion between the large and small intestine. 344. The Liver —The Liver as in man is one of the largest organs in the body, and is much more divided into lobes in carnivorous than herbivorous animals. It is smallest and least divided in those animals with compound or rumi- nating stomachs. 345. Bill of Birds,—Birds are destitute of teeth, since the process of mastication is carried on in a certain portion of the alimentary canal. But the horny investment of the jaws known as the bill, is harder in birds of prey, and those EiG. Os Hyoides. Head of the Woodpecker. that feed on fruit and nuts, as Parrots, and in Woodpeckers. The bill, or rather mouth, of Ducks and Geese is lined by a tender membrane, in order that they may be partially What is the length of the Intestine of the Ox? Of the Sheep? Give the propor- tional length of Intestine in Carnivorous Animals. 344. What difference in the Liver between flesh and herbivorous animals ? 345. Why are Birds destitute of teeth ? What Birds have the hardest bills? What peculiarity in the lining membrane of the mouth of Ducks, etc. ?. 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 Hitchcock, Ed
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