File:The birds of America - from drawings made in the United States and their territories (1840) (14568617438).jpg

Identifier: birdsofamericafr04audu (find matches)
Title: The birds of America : from drawings made in the United States and their territories
Year: 1840 (1840s)
Authors: Audubon, John James, 1785-1851 Bowen, John T., ca. 1801-1856?, lithographer
Subjects: Birds Birds
Publisher: New York : Published by J.J. Audubon Philadelphia : J.B. Chevalier
Contributing Library: Smithsonian Institution Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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then leave the medianline, pass to the right side in a groove round the anterior edge of the orbit,and are deflected backwards below the eye so far as near the level of itsposterior angle. The aperture of the mouth measures 5^ twelfths across.The oesophagus is 3 inches long, 3^ twelfths in diameter, very slightlydilated at the lower part of the neck. The proventriculus is scarcelyenlarged, its glandules form a belt 4 twelfths in breadth. The stomach isoblong, 11 twelfths in length, 7 twelfths broad; its lateral muscles very thin;the epithelium thin, tough, longitudinally rugous, reddish-brown. Thecontents of the stomach are skins of large white larvae with black heads.The intestine is 9-£ inches long, the duodenum 2\ twelfths in diameter.There are no coeca. The trachea is 2 inches 5 twelfths in length, its diameter l£ twelfths,gradually diminishing to 1 twelfth. The contractor muscles are bothanterior for the length of Ik inches, beyond which they become lateral, and K°53 PI 2 6 3.
Text Appearing After Image:
/ Male-2.Ie>naIe. /),.:,„ 6m, Nafur.- /;» JJ.^Jujuion FKSJILS ZuAd3wiuJ. &G>lJl>j>J TEoHai-l/iJ THE DOWNY WOODPECKER. 249 terminate in the sterno-tracheal at the distance of 2 twelfths from the bifur-cation. There are no inferior laryngeal muscles. The rings of the trachea,which are firm, and but slightly compressed, are about 50 in number; thebronchial half rings about 15. According to Mr. Townsend this species is found from the RockyMountains to the shores of the Columbia river. THE DOWNY WOODPECKER. -f-Picus pubescens, Linn.PLATE CCLXIIL—Male and Female. The Downy Woodpecker, which is best known in all parts of the UnitedStates by the name of Sapsucker, is perhaps not surpassed by any of itstribe in hardiness, industry, or vivacity. If you watch its motions while inthe woods, the orchard, or the garden, you will find it ever at work. Itperforates the bark of trees with uncommon regularity and care; and, in myopinion, greatly assists their growth and health, and

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