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Under the caption of constitutional pathology of the ear, the authors discuss such conditions as congenital anomalies involving the organ of hearing, including anomalies of the auricle as well as of the middle and internal ears. A discussion of the middle ear conditions includes the catarrhal and inflammatory diseases of the middle ear, congenital facial paralysis, congenital tumors of the middle ear. The larger part of the work is a discussion of those conditions which involve the internal ear and constitute the basis for the greatest number of severe cases of deafness, for it includes otosclerosis, chronic progressive deafness, labyrinthine deafness and deaf-mutism. The hereditary factors in ear diseases, such as otosclerosis in labyrinthine deafness and deaf-mutism, are discussed in a special chapter.
This volume presents an admirable summary of the known facts regarding these phases of otology. The accumulation of such data as here presented is a tedious