THIS is the first yearly installment of "Otosclerosis," Volume IV, to be issued by the Central Bureau of Research of the American Otological Society, Inc.1
With a view to a wider distribution, the Archives of Otolaryngology is publishing this text in the February issue, and it is hoped that we may obtain this cooperation for many years to come, to the best interests of all concerned.
During the war there has been difficulty in obtaining the usual number of publications, and there is a lag in receiving many foreign articles, but this will be made up from time to time, so that eventually all may be printed in subsequent years for placement in the volume IV binder.
The factors underlying heredity, causation, early diagnosis, pathologic aspects, arrest, recession or cure of otospongiosis are still largely unknown, but many pertinent facts are accumulating. The outlook for prevention or arrest of the