. Elements of comparative zoology. Zoology. 358 SYSTEMATIC ZOOLOGY. Order III.—Natatores (Swimming Birds). In these the short legs end in feet adapted for swimming by having a web between the anterior toes. The body varies greatly in shape. In the penguins (fig. 152) the wings have lost the powers of flight, the wing-feathers being short and scale-like. On the other hand, they are. Fig. 152.—Penguin (Aptenodytes longirostris). From Liitken. strong swimmers, and the loons almost equal them in this respect. The other extreme is reached in those strong fliers, the albatross, tropic birds, gulls,
. Elements of comparative zoology. Zoology. 358 SYSTEMATIC ZOOLOGY. Order III.—Natatores (Swimming Birds). In these the short legs end in feet adapted for swimming by having a web between the anterior toes. The body varies greatly in shape. In the penguins (fig. 152) the wings have lost the powers of flight, the wing-feathers being short and scale-like. On the other hand, they are. Fig. 152.—Penguin (Aptenodytes longirostris). From Liitken. strong swimmers, and the loons almost equal them in this respect. The other extreme is reached in those strong fliers, the albatross, tropic birds, gulls, etc. More useful to man are the ducks and geese, while the swans, auks, and cormorants must be mentioned as members of the 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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