The middle ear is the portion of the ear internal to the eardrum, and external to the oval window of the cochlea. The middle ear contains three ossicles, which amplify vibration of the eardrum into ...

THE phenomenon described by my friend Mr. Boys, on p. 333, is pathological, and not physiological. He is clearly suffering from slight obstruction of the Eustachian tube, a canal which leads from the ...

Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum yet can croak themselves, and hear other frogs. An international team ...