. A textbook in general zoology. Zoology. XXIII. BIRDS (continued) Chordata (continued) Ostriches and cassowaries. —The ostriches and casso- waries are wholly unable to fly and are, therefore, known as the flightless land birds. At the same time, they are the lowest members of the class. The breastbones of these large birds differ decidedly from that of the sparrow, for they are flat, or nnkeeled. This is in keeping with their small, fmictionless wings. The majority of these birds are large and possess strong legs with which they can kick viciously and effectively and run swiftly. The true ost
. A textbook in general zoology. Zoology. XXIII. BIRDS (continued) Chordata (continued) Ostriches and cassowaries. —The ostriches and casso- waries are wholly unable to fly and are, therefore, known as the flightless land birds. At the same time, they are the lowest members of the class. The breastbones of these large birds differ decidedly from that of the sparrow, for they are flat, or nnkeeled. This is in keeping with their small, fmictionless wings. The majority of these birds are large and possess strong legs with which they can kick viciously and effectively and run swiftly. The true ostriches live on the sandy plains of South Africa and Ara- bia. Unlike the spar- row, the feathers in the tail and wings of the ostriches are long and plumehke and furnish the feathers so commonly used for ornament. The ostrich is the largest living bird, measuring from six to seven feet in height. It has long, strong legs with two-toed feet and can run faster than a horse. Its wings are rudimentary and it does not 279. Fig. 1S9. — Cassowar^^. 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 Herrick, Glenn W. (Glenn Washington), 1870-1965. New York, Cincinnati [etc. ] American Book Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectzoology, bookyear1912
