. Elements of comparative zoology. Zoology. BIRDS. 357 ORDER II.—RASORES (Scratching Birds). These, like all the remaining birds, have a keeled sternum. They have a weakly curved beak, feet well fitted for run- ning, with three toes in front, and a fourth at a higher. FIG. 151.—South American ostrich or nandu (Rhea americana). From Liitken. level behind. Here belong the grouse, the pheasants, and the domestic -fowl and turkeys, as well as a considerable number of tropical forms. Our common hens, in all their numberless varieties, are descendants of the wild fowl of India. The turkeys are nativ
. Elements of comparative zoology. Zoology. BIRDS. 357 ORDER II.—RASORES (Scratching Birds). These, like all the remaining birds, have a keeled sternum. They have a weakly curved beak, feet well fitted for run- ning, with three toes in front, and a fourth at a higher. FIG. 151.—South American ostrich or nandu (Rhea americana). From Liitken. level behind. Here belong the grouse, the pheasants, and the domestic -fowl and turkeys, as well as a considerable number of tropical forms. Our common hens, in all their numberless varieties, are descendants of the wild fowl of India. The turkeys are natives of 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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