The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . le, should next range, merging into the Eagle-hawks ; or perhaps the Perns, followed by the Elanet group (including Ictinia). We are less satisfied ofthe affinities of the Caracaras, of the Cymindues, and of the Marsh-eagles and Haeniatorns, which lastgroup seems to approximate that of the Hawks.] The Nocturnal Birds of PreyHave the head large; very great eyes, directed forwards, and siuTounded by a circle offringed feathers, the anterior of which cover the c
The animal kingdom, arranged after its organization : forming a natural history of animals, and an introduction to comparative anatomy . le, should next range, merging into the Eagle-hawks ; or perhaps the Perns, followed by the Elanet group (including Ictinia). We are less satisfied ofthe affinities of the Caracaras, of the Cymindues, and of the Marsh-eagles and Haeniatorns, which lastgroup seems to approximate that of the Hawks.] The Nocturnal Birds of PreyHave the head large; very great eyes, directed forwards, and siuTounded by a circle offringed feathers, the anterior of which cover the cere of the beak, and the posterior the orifice ofthe ear. Their enormous pupils permit so much light to enter, that they are dazzled in full skull, inflated, but of a slight substance, contains large cavities that communicate with theears, and probably assist the sense of hearing; but their apparatus for flight is feeble, the furculaoffering but slight resistance : their feathers, with soft barbs, and delicately downy, make nonoise in flying. The external toe can be voluntarily directed forward or behind. These Birds fly.
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Keywords: ., bookcentury1800, bookdecade1840, booksubjecta, booksubjectzoology
