The most important contribution on otosclerosis for 1938 is the report of the restoration of serviceable hearing in a large proportion of patients operated on by a new surgical procedure. An unusual number of excellent contributions on Ménière's disease appeared in the world literature for 1938.
An attempt is made in this summary to include only articles which bring something new to the knowledge of progressive deafness. My editorial comments are in brackets. The material is arranged, as in last year's summary, in the following order:
Pathology and Etiology
Treatment
Pathology of Nerve Deafness
Hereditary Nerve Deafness
Traumatic Nerve Deafness
Nerve Deafness from Drugs
Nerve Deafness from Infections
Nerve Deafness from Allergy
Nerve Deafness from Miscellaneous Causes
Treatment of Nerve Deafness
Ménière's Syndrome
OTOSCLEROSIS
Pathology and Etiology.—Nager and Fraser1 describe the unusual finding of formation of new bone in the scala tympani in 6 otosclerotic patients. They call attention to the fact that as