. A history of British birds . from the middle of thetrachea, but is somewhat larger and thicker, appearing asthough made up of several small muscles in close direction is obliquely downward and forward; it isl)artly hidden by the long anterior tensor (e), and, attachedby a broad base to the last ring of the trachea and to thecartilage immediately below, it reaches the extreme end* ofthe first or second of the bronchial half-rings. Thus while the lungs govern the volume of air as well asthe force with which it is exj^elled, the syringeal muscles * As before stated, in the other gre
. A history of British birds . from the middle of thetrachea, but is somewhat larger and thicker, appearing asthough made up of several small muscles in close direction is obliquely downward and forward; it isl)artly hidden by the long anterior tensor (e), and, attachedby a broad base to the last ring of the trachea and to thecartilage immediately below, it reaches the extreme end* ofthe first or second of the bronchial half-rings. Thus while the lungs govern the volume of air as well asthe force with which it is exj^elled, the syringeal muscles * As before stated, in the other great division of Passeres—Prof. GarrodsMcsonijiodi—none of which are British or even European, such forms as possessmuscles that reach to the bronclii, liave their muscles joined to tlie middle andnot the extremity of the bronchial half-rings. RAVEN. 273 influence both the diameter and the length of the bronchi,and the absurdity of the vulgar belief that to enable a birdto speak the slitting of its tongue is necessary ought. Fifi. 8.
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Keywords: ., bookauthorsaun, bookcentury1800, bookdecade1870, booksubjectbirds
