 I never saw any other bird, where the force of its wings appeared (as in a butterfly) so powerful in proportion to the weight of its body. When hovering by a flower, its tail is constantly expanded and shut like a fan, the body being kept in a nearly...  The Cambridge Natural History - Page 418edited by - 1899Full view - About this book
 | Encyclopedias and dictionaries - 1843 - 524 pages
...Syrphus among Díptera and S})fiin.r among moths ; but, whilst hovering over a flower, it flaps ils wings with a very slow and powerful movement, totally...most of the species which produces the humming noise. He declares that he never saw any other bird where the force of its wings appeared (as in a butterfly)... | |
 | Society for the diffusion of useful knowledge - 1843 - 532 pages
...Syrphus among biptera and SpJtinx among moths; but, whilst hovering over a flower, it flaps its *mg= with a very slow and powerful movement totally different from that vibratory one common to most of the specie's which produces the humming noise. He declares trat he never saw any other bird where the force... | |
 | Encyclopedias and dictionaries - 1843 - 1040 pages
...among Diptera and Sphinx among :noths ; but, whilst hovering over a flower, it flaps its •.vings with a very slow and powerful movement, totally different from that vibratory one common to most of the 5»ecies which produces the humming noise. He declares that he never saw any other bird where the force... | |
 | Charles Darwin - Beagle Expedition - 1846 - 716 pages
...the frequency of omissions by authors on those very subjects where it might have been least expected. but whilst hovering over a flower, it flaps its wings...most of the species which produces the humming noise. I never saw any other bird where the force of its wings appeared (as in a butterfly) so powerful in... | |
 | Wonders - Birds - 1848 - 496 pages
...genus, it moves from place to place with extreme rapidity, while hovering over a flower it flaps it wings with a very slow and powerful movement, totally...from that vibratory one common to most of the species ; he declares that he never saw any other bird where the force of the wings appeared so powerful in... | |
 | William Charles Linnaeus Martin - Hummingbirds - 1852 - 312 pages
...with a rapidity which may be compared to that of a Syrphus amongst dipterous insects, and a Sphinx among moths ; but, whilst hovering over a flower,...of the species, which produces the humming noise. I never saw any other bird in which the force of the wings appeared (as in a butterfly), so powerful... | |
 | Literature - 1879 - 1036 pages
...HUMMING-BIRD {LAMPORNIS MANGO). pared to that of syrphus among flies, and the sphinx among moths; but.while hovering over a flower, it flaps its wings with a...powerful movement, totally different from that vibratory motion common to most of the species and which produces the humming noise. Mr. Darwin had never seen... | |
 | Charles Darwin - Beagle Expedition - 1871 - 546 pages
...where it might have been least expected. may be compared to that of Syrphus amongst flies, and Sphinx among moths ; but whilst hovering over a flower, it...of the species, which produces the humming noise. I never saw any other bird, where the force of its wings appeared (as in a butterfly) so powerful in... | |
 | Robert Oliver Cunningham - Natural history - 1871 - 940 pages
...specimens of the giant humming-bird (Patagona gigas). Mr. Darwin has well remarked of this species, that " whilst hovering over a flower, it flaps its wings...of the species which produces the humming noise." While flying about, its motions reminded me of those of a swallow. On the 29th of August I had a ramble... | |
 | Charles Darwin - Beagle Expedition - 1876 - 586 pages
...of Syrphus amongst flies, and Sphinx among moths ; but whilst hovering over a flower, it flaps iti wings with a very slow and powerful movement, totally...of the species, which produces the humming noise. I never saw any other bird, where the force of its wings appeared (as in a butterfly) so powerful in... | |
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