CHAPTER XIX.
DISEASES OP THE INTERNAL EAR.
PAGE
Definition of Nervous Deafness— Most unfrequent of all Aural Diseases — Symptoms — Deafness to certain Tones — Double Hearing — Meniere's Cases— Electricity in the Diagnosis of Disease of the Auditory Nerve — Causes — Injuries — Hemorrhages and Effusions — Inflammation of the Membranous Labyrinth — Quinine — Concussion — Remote Causes — Syph- ilis— Cerebrospinal Meningitis — Fevers — The Exanthemata — Mumps — Cerebral Tumors — Aneurism — Pathology — Treatment — Electricity — Otalgia, . . . 512
PAET IT.
DEAF-MUTEISM AND HEARING TRUMPETS.