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The author presents a thorough description of the anatomic and physiologic aspects of the internal ear and eighth nerve, and of the latter's intracranial connections. He describes with deep insight the pathologic appearance and symptoms of labyrinthine and intracranial lesions, and makes a laudable attempt to demonstrate the relationship between neurology and otology in this field.
He gives factual and theoretic explanations of the various tests and reactions which aid in the diagnosis of these lesions. He gives an excellent method of examination, including hearing, rotary, caloric—both unilateral and simultaneously bilateral—and galvanic tests.
He includes a detailed description of 105 intracranial lesions, all of which came to operation or to autopsy, corroborating or correcting his experimental findings.
These lesions were: 7 lesions of the brain stem; 11 of the eighth nerve; 9 of the cerebellum, in the midline; 18 of the cerebellum, lateralized to the right or the left; 7