. The natural history of the cranes. Cranes (Birds). Steenum and Tkachba 01' Mute Swan. Cygnus olor. In Bewick's swan {Oygnus hewicki) the trachea is convoluted in the keel of the sternum, and, as might be expected, its note is described as having a deep tone, and the bird as being exceedingly Sternum and Teachea oi' Hooping Swan. Oygnus mueicus. Other birds belonging to perfectly distinct natural families, neither related to the cranes or the swans, are characterised by elongations of the trachea, which are very differently placed. Dr. Latham, in an essay on this subject published
. The natural history of the cranes. Cranes (Birds). Steenum and Tkachba 01' Mute Swan. Cygnus olor. In Bewick's swan {Oygnus hewicki) the trachea is convoluted in the keel of the sternum, and, as might be expected, its note is described as having a deep tone, and the bird as being exceedingly Sternum and Teachea oi' Hooping Swan. Oygnus mueicus. Other birds belonging to perfectly distinct natural families, neither related to the cranes or the swans, are characterised by elongations of the trachea, which are very differently placed. Dr. Latham, in an essay on this subject published in " The Transactions of the Linnsean Society," vol. iv., 1798, figured the traoheas of several birds, as the Guan and others, in which the trachea is convoluted under the skin of the breast, between it and the large pectoral muscles; but these and all previous known examples fade into insignificance when compared with that which occurs in Keraudren's crow shrike {Manucodia heraudreni). This, which is a well-marked New Guinea form, is also found in the adjacent parts of Australia. A male specimen from Oape York is to be seen in the British Museum; this is of a uniform brilliant green-black plumage, with slightly lengthened ear-plumes pointing backwards. This specimen is. 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 Blyth, Edward, 1810-1873; Tegetmeier, W. B. (William Bernhard), 1816-1912. [London] Pub. for the author by H. Cox [etc. ]
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