Fig. 1.

Schematic drawing of a transverse section through the frog ear (adapted from Wever 1985). The division into the middle, and inner ear is indicated above the image; a selection of features is indicated in the image. The colored arrows indicate the paths of vibrational energy: green arrows represent the columellar path, red arrows the putative opercular path, and blue arrows indicate the path through the inner ear after combination of the columellar and opercular paths. The grey areas represents endolympatic fluid, dark yellow perilymphatic fluid. The green areas indicate the tectorial membranes in the papillae. (Color figure is available in the online version)