 | 1829 - عدد الصفحات: 696
...arms which form the first ray of their pectoral fins. The Vocalism of British Birds. — The sinking of most birds seems entirely a spontaneous effusion,...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
 | 1829 - عدد الصفحات: 660
...strqngly tempted to extract entirely ; but we can spare room only for the following :— . ...,-. .' The singing of most birds seems entirely a spontaneous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
 | 1829 - عدد الصفحات: 832
...birds seems entirely a spontaneous effusion, produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain...song are weaker, or that the notes become harsh and untntiable, after all these hours of practice. The song thrush, in a mild moist April, will commence... | |
 | John Leonard Knapp - 1829 - عدد الصفحات: 452
...intrinsic melody, or from association, we are uncertain what they express, or the object of their song. The singing of most birds seems entirely a spontaneous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
 | John Leonard Knapp - 1831 - عدد الصفحات: 330
...intrinsic melody, or from association, we are uncertain what they express, or the object of their song. The singing of most birds seems entirely a spontaneous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts, of action. In certain seasons and weather, the nightingale sings... | |
 | Alexander Wilson, Charles Lucian Bonaparte, George Ord, William Maxwell Hetherington - 1831 - عدد الصفحات: 760
...intrinsic melody, or from association, we are uncertain what they express, or the object of their song. The singing of most birds seems entirely a spontaneous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
 | John Timbs - 1832 - عدد الصفحات: 356
...intrinsic melody, or from association, we are uncertain what they express, or the object of their song. The singing of most birds seems entirely a spontaneous...song are weaker, or that the notes become harsh and untuneable, after these hours of practice. The cuckoo is probably the only bird that seems to suffer... | |
 | John Timbs - 1832 - عدد الصفحات: 442
...intrinsic melody, or from association, we are uncertain what they express, or the object of their song. The singing of most birds seems entirely a spontaneous...action. In certain seasons and weather, the nightingale pings all day and most part of the night; and we never observe that the powers of song are weaker,... | |
 | 1832 - عدد الصفحات: 406
...improvements in this department can be traced. SINGING OF BIRDS, [From the Journal of a Jfaturaliit.} THE singing of most birds seems entirely a spontaneous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
 | 1839 - عدد الصفحات: 428
...matter of arrangements is not inappropriate. SINGING OF BIRDS. [FROM THE JOURNAL OF A NATURALIST.] The singing of most birds seems entirely a spontane'ous...produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings... | |
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The singing of most birds seems entirely a spontaneous effusion, produced by no exertion, or occasioning no lassitude in muscle, or relaxation of the parts of action. In certain seasons and weather, the nightingale sings all day, and most part of the... 
