. The birds of America : from drawings made in the United States and their territories . l triangular tip ofwhite, and the quills narrowly tipped andmargined with the same. Length to end of tail 17^ inches, to end ofwings 17, to end of claws 23; extent of wings25. Weight 6£ oz. The roof of the mouth is anteriorly a littleconcave, with a median prominent line; thepalate convex; the lower jaw with a kind ofjoint about an inch from the base, its inter-crural membrane or skin very extensile. Thetongue is 1^ inches long, very slender, tri-gonal, emarginate at the base, with a groovealong the middle
. The birds of America : from drawings made in the United States and their territories . l triangular tip ofwhite, and the quills narrowly tipped andmargined with the same. Length to end of tail 17^ inches, to end ofwings 17, to end of claws 23; extent of wings25. Weight 6£ oz. The roof of the mouth is anteriorly a littleconcave, with a median prominent line; thepalate convex; the lower jaw with a kind ofjoint about an inch from the base, its inter-crural membrane or skin very extensile. Thetongue is 1^ inches long, very slender, tri-gonal, emarginate at the base, with a groovealong the middle, and pointed. Posteriorapertures of nares linear, \ inch long. (Eso-phagus, a, b, c, 10 inches long, its walls deli-cate, its diameter at the upper part li inches,gradually contracting to ^ inch at its entranceinto the thorax. The lobes of the liver un-equal, the right 1 inch 5 twelfths long, the left 11 twelfths; the gall-bladderlarge, 7 twelfths long. The stomach, c cl, is membranous, of an oblong form,9 twelfths long, 10 twelfths in breadth; its tendons elliptical, 5 twelfths by. HO THE GREAT WHITE HERON. 3 twelfths. The proventriculus, c c, 9 twelfths long, with a complete beltof oblong glandules. There is a small roundish pyloric lobe e. Intestine,f, g, 2 feet 11 inches long, its diameter uniform, 1 twelfth, or about thethickness of a Crows quill. Rectum enlarged to 3 twelfths, and 3^ incheslong, its coecal extremity rounded, and only 1 twelfth long. The trachea is 1\ inches long, of nearly uniform diameter, averaging 2twelfths; the rings 160, nearly circular and ossified. The bronchial half-rings about IS. The lateral muscles are very inconspicuous; sterno-tracheals,and a pair of inferior laryngeal, going to the -first bronchial rings. The Herons generally differ from the other Grallse in having the oeso-phagus much wider, and similar to that of the fish-eating palmipedes; thestomach in a manner membranous, like that of the rapacious land-birds,without lateral muscles o
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Keywords: ., bookcentury1800, bookdecade1840, bookidbirdsofa, booksubjectbirds
