OCR Text |
Show 1887.] ^ THE LARYNX OF THE ANUROUS AMPHIBIA. 497 Ceratophrys americana (fig. 4, p. 495) both epiglottis and epilaryngeal folds were found to be well developed • but though conspicuous, they remain comparatively insignificant beside those of an adult male of Fig. 6. The larynx and floor of the mouth in Chiroleptes australis, adult 3 • Fig. 7. The larynx in the same, seen en face. Both figs, magnified twice. References as in previous figures, s.g', orifice of gular sac. Chiroleptes australis, that being one of the genera possessed of the well-known gular sac (s.g, s.g', figs. 6 and 9). This specimen presents the maximum development observed, and I have accordingly figured |