The child's book of nature for the use of families and schools : intended to aid mothers and teachers in training children in the observation of nature . WINGS. The beautiful motions of birds. The swallow. The humming-bird. fly over a very high fence; and if her wings are partly cut off,or cropped, as it is called, she cannot even do that. There arcsome birds that do not use their wings in flying. The ostrich,represented on the previous page, is a great runner. He cannot flv, but Ins win^rs h help him some in running. In what way the wings act in raising birds and carrying themalong I will exp
The child's book of nature for the use of families and schools : intended to aid mothers and teachers in training children in the observation of nature . WINGS. The beautiful motions of birds. The swallow. The humming-bird. fly over a very high fence; and if her wings are partly cut off,or cropped, as it is called, she cannot even do that. There arcsome birds that do not use their wings in flying. The ostrich,represented on the previous page, is a great runner. He cannot flv, but Ins win^rs h help him some in running. In what way the wings act in raising birds and carrying themalong I will explain to you in Part Third, when I come to tellyou about the air. How beautiful are the motions of many of the birds as they fly in the air! How easily and gracefully their wings work! Sec that bird as it goes up and up; and now see it as it makes aturn, and comes down so swiftly on its outstretched wings, tak-ing a beautiful sweep off at a distance; and then up it goesagain to come down, in the same way that boys do when theytravel up a long hill to slide down so swiftly on their sleds. ,._. swallow, as he has this tine sport, is, at the same. time, getting Ins As he skims along closeto the ground or the wa-ter, quick as thought hecatches any unlucky flythat happens to be in hisway. Especially beautiful arethe motions of the humming-bird. See him as he stops beforesome flower, fluttering on his wings, or as he darts with them WINGS. 143 The structure of feathers. The delicacy of a bats wing-. from one flower to another. The muscles of his wings are verynimble workmen. Our muscles can make no motions as quickas these. Did yon ever examine a feather from a birds wing to seewhat a curiously-made thing it is? The quill part of it is verystrong, but, at the same time, light. The plume or feather partis quite strong also. It is made up of a great many very thinand delicate flat leaves, as we may call them, which are lockedtogether curiously by fine teeth on their edges. If you s
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Keywords: ., bookauthorho, bookcentury1800, bookdecade1880, booksubjectscience
