. The bird, its form and function. Birds. i6 The Bird If its lines lie in happ}^ places, its race is established, and it pursues and flees, it fights and plays, it sings with 303' or pants with fear, and Evolution marks another success in its inexorable movement onward and upward, —a new species is born! Earth has few secrets from the birds. With wings and legs there is hardly a spot to which they cannot and indeed have not penetrated. Some find food and con- tentment in the desolate wastes of the far North; others spend almost all of their life on or above the sea far from. Fig. 7.—Skull of P
. The bird, its form and function. Birds. i6 The Bird If its lines lie in happ}^ places, its race is established, and it pursues and flees, it fights and plays, it sings with 303' or pants with fear, and Evolution marks another success in its inexorable movement onward and upward, —a new species is born! Earth has few secrets from the birds. With wings and legs there is hardly a spot to which they cannot and indeed have not penetrated. Some find food and con- tentment in the desolate wastes of the far North; others spend almost all of their life on or above the sea far from. Fig. 7.—Skull of Phororhacos, drawn to scale with Fig. S. 1/6 natural size. land; thousands revel in the luxuriance of reeking trop- ical jungles; a lesser mmiber are as j^erfectly suited to the blazing dust of the desert; and there are birds which burrow deep into the very earth itself. Day and night; heat and cold; water, earth, and air, have all been con- quered by the thirteen or fourteen thousand species of Ijirds which share the earth with us at the present day. These brethren of ours, whose clans have so bravely conquered the dangers of millions of years, and at last have gained a foremost rank in the scale of living crea-. 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 Beebe, William, 1877-1962. New York, Holt
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1906
