. From North pole to equator: studies of wild life and scenes in many lands. Animal behavior; Birds; Tundras; Ethnology; Birds. 310 FROM NORTH POLE TO EQUATOR. more full-toned and sonorous than that of a long-armed ape which I observed in captivity. I was first astonished, then delighted, with these deep notes, uttered with full strength, and by no means dis- agreeable, because perfectly clear and well-rounded. In one species the ringing call, which I should describe as a song rather than a. Fig. 47.âThe Hoolock (Hylobates leuciscus), one ol the Gibbons. â cry, begins on the key-note E, ascend
. From North pole to equator: studies of wild life and scenes in many lands. Animal behavior; Birds; Tundras; Ethnology; Birds. 310 FROM NORTH POLE TO EQUATOR. more full-toned and sonorous than that of a long-armed ape which I observed in captivity. I was first astonished, then delighted, with these deep notes, uttered with full strength, and by no means dis- agreeable, because perfectly clear and well-rounded. In one species the ringing call, which I should describe as a song rather than a. Fig. 47.âThe Hoolock (Hylobates leuciscus), one ol the Gibbons. â cry, begins on the key-note E, ascends and descends in semitones through the chromatic scale for a full octave, sometimes ending with a shrill cry, which seems to be uttered with the animal's whole strength. The key-note remains audible throughout, and serves as a grace-note to each of the succeeding ones, which, in ascending the scale, follow each other more and more slowly, in descending more and more quickly, at last with extreme rapidity, but always with perfect regularity. The notes of some species of the group are said. 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 Brehm, Alfred Edmund, 1829-1884; Thomson, Margaret R. , tr; Thomson, J. Arthur (John Arthur), 1861-1933, ed. London [etc. ] Blackie & Son, Limited
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjecteth
