. Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting . Birds; Reptiles. 184 INTEODUCTOET CHAPTER. The lenorth and flexibilitv of the neck enable the bird to make the necessary changes in the centre of gravity, while the solidity of the dorsal spine gives advantage to the action of the muscles. The head is terminated by a pointed bill, which aids in cleaving the air; the feet, when short, are drawn up and concealed under. Fig. 48. the feathers ; when long, they are stretched out beneath or behind the tail, which
. Reptiles and birds : a popular account of their various orders : with a description of the habits and economy of the most interesting . Birds; Reptiles. 184 INTEODUCTOET CHAPTER. The lenorth and flexibilitv of the neck enable the bird to make the necessary changes in the centre of gravity, while the solidity of the dorsal spine gives advantage to the action of the muscles. The head is terminated by a pointed bill, which aids in cleaving the air; the feet, when short, are drawn up and concealed under. Fig. 48. the feathers ; when long, they are stretched out beneath or behind the tail, which is more or less expanded, and helps to support the body in the aii, as well a^, bv acting in the manner of a. 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 Figuier, Louis, 1819-1894; Gillmore, Parker. New York : D. Appleton
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjectrep
