. The birds of America : from drawings made in the United States and their territories. Birds; Birds. 242 THE AMERICAN distance from the anus 3 inches; the cloaca, k, glo- bular. This bird was nearly ready to lay eggs. One of them has a diame- ter of 1 inch, which is the full size of the yolk, the albumen not being added until it has entered the oviduct. The trachea, which is 5^ inches long, gradually ta- pers from the width of A\ twelfths to that of 2f twelfths. Its rings are un- ossified, 115 in number. The bronchi are of mode- rate length, wide, of about 20 very thin cartil
. The birds of America : from drawings made in the United States and their territories. Birds; Birds. 242 THE AMERICAN distance from the anus 3 inches; the cloaca, k, glo- bular. This bird was nearly ready to lay eggs. One of them has a diame- ter of 1 inch, which is the full size of the yolk, the albumen not being added until it has entered the oviduct. The trachea, which is 5^ inches long, gradually ta- pers from the width of A\ twelfths to that of 2f twelfths. Its rings are un- ossified, 115 in number. The bronchi are of mode- rate length, wide, of about 20 very thin cartilaginous half rings. The lateral muscles are strong; the sterno-tracheal slips come off close to the inferior larynx, which has no pecu- liar muscles. In a male, the oesophagus is 8 inches long, its greatest width near the lower part of the neck 1J inches. The stomach is small, being 1^- inches long, and 1 inch in breadth. The intestine measures 4 feet 4 inches in length; its average width 4 twelfths. The cceca 4 inches 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 Audubon, John James, 1785-1851; Bowen, John T. , ca. 1801-1856?, lithographer. New York : Published by J. J. Audubon ; Philadelphia : J. B. Chevalier
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectbirds, bookyear1840
