. On the anatomy of vertebrates [electronic resource] . Lungs, from behind, with convolution of trachea,Bradypus Iridactylus. cxxn. LUNGS OF MAMMALIA. 570 450 llli. Elastic tissue of air-ce Bulmnoptera. cclxviii. 451 fibres of the elastic tissue are abundant and conspicuous onthe walls of the pulmonary air-cells in the Whales, as shownby V. der Kolk, in Balce-noptera, fig. 450, b;in which figure a portionof the injected capillaryweb is represented at elasticity of thelungs with the pressureon the surface of thebody, makes expirationvery easy, and the cur-rent strong when forceis exerted,


. On the anatomy of vertebrates [electronic resource] . Lungs, from behind, with convolution of trachea,Bradypus Iridactylus. cxxn. LUNGS OF MAMMALIA. 570 450 llli. Elastic tissue of air-ce Bulmnoptera. cclxviii. 451 fibres of the elastic tissue are abundant and conspicuous onthe walls of the pulmonary air-cells in the Whales, as shownby V. der Kolk, in Balce-noptera, fig. 450, b;in which figure a portionof the injected capillaryweb is represented at elasticity of thelungs with the pressureon the surface of thebody, makes expirationvery easy, and the cur-rent strong when forceis exerted, as e. g., toclear the naso-palatinebreathing passages, , f} d i the pulmonaryvapour so expelled mainly forms the spout of the Whale. In Sirenia the lungs resemble in shape and position those ofC/ielone, but are loosely suspended at theback part of an elongated thorax, definedby an oblique diaphragm from the abdo-men. This resemblance is further exem-plified in the shortness of the trachea,the completeness of its cartilaginousrings, the length of the bronchi, and theextent to which their cartilages are con-tinued into the substance of the


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Keywords: ., bookcentury1800, booksubject, booksubjectbirds, booksubjectfishes