. On the anatomy of vertebrates [electronic resource] . Tongue, larynx, and lungs,male Frog, liana xx. vol. ii. p. 97, prep. no. 1118. 528 ANATOMY OF VERTEBRATES. 351. Larynx and lungs (c, d) Toad, they are more acute-angled and directed backward. In the Toad (Bufo) the chordae vocales are thinelastic membranes, and in two pairs, , a and b : the sacculi are seen to belodged in the large arytenoid males of the common and edibleFrogs (Rand) have two submandibularsacs, the male Tree-Frog (Hyla) hasone such sac, opening by a straight canalinto th
. On the anatomy of vertebrates [electronic resource] . Tongue, larynx, and lungs,male Frog, liana xx. vol. ii. p. 97, prep. no. 1118. 528 ANATOMY OF VERTEBRATES. 351. Larynx and lungs (c, d) Toad, they are more acute-angled and directed backward. In the Toad (Bufo) the chordae vocales are thinelastic membranes, and in two pairs, , a and b : the sacculi are seen to belodged in the large arytenoid males of the common and edibleFrogs (Rand) have two submandibularsacs, the male Tree-Frog (Hyla) hasone such sac, opening by a straight canalinto the larynx, and susceptible of con-siderable distension by air during thecroak. All these diversities of laryngealstructure affect the loudness, deepness,or sharpness of the peculiar vocal notesof Frogs and Toads. The air passesto the lungs, fig. 350, g, 351, c, d, byshort bronchi, fig. 350,/, save in thePipa9 in which the bronchial tubes are long, especially in thefemale. The glottis in Serpents can be drawn forward and protrudedfrom the mouth by the action of the geniotr ache ales muscles,fig. 147, y, p. 229. In marine serpents the glottis is situatedvery near the forepart of th
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