. The structure and life of birds. Birds; Evolution. I40 THE STRUCTURE AND LIFE OF BIRDS chap. This great air-chamber is entirely wanting in the Duck. Yet the quack of the Duck is loud and sonorous, that of the Drake is thin and without any body in it. In some species of Crane, the trachea winds round about within the keel of the breastbone, which is. Fig. 35, showing convolutions of Trachea of Crane. /', Network of bones ; h?; Trachea dividing into two bronchi; r/, Clavicle; cc, Cora cold ; sc. Scapula; ti\ Trachea at entrance into keel. formed of two thin sheets with, in places,
. The structure and life of birds. Birds; Evolution. I40 THE STRUCTURE AND LIFE OF BIRDS chap. This great air-chamber is entirely wanting in the Duck. Yet the quack of the Duck is loud and sonorous, that of the Drake is thin and without any body in it. In some species of Crane, the trachea winds round about within the keel of the breastbone, which is. Fig. 35, showing convolutions of Trachea of Crane. /', Network of bones ; h?; Trachea dividing into two bronchi; r/, Clavicle; cc, Cora cold ; sc. Scapula; ti\ Trachea at entrance into keel. formed of two thin sheets with, in places, a light bony network in between: after all these windings it at length divides and enters the lungs. Cranes have a loud and striking crow, but it is not nearly so striking as the crow of the barndoor Cock, whose windpipe takes the shortest course to the The whistling. 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 Headley, F. W. (Frederick Webb), 1856-1919. London, New York, Macmillan
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1895
