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As a measure of the progress of neurosurgery in the last thirty years, it may be recalled that all knowledge on the localization and surgical treatment of tumors of the brain in 1914 could easily have been printed in a volume the size of this one, which does not discuss even all tumors of blood vessels (angiomas are not considered) but considers only intracranial aneurysms.
Ophthalmologists have become familiar with the ocular symptoms of intracranial aneurysms through the paper by Walsh and King (Walsh, F. B., and King, A. B. : Ocular Signs of Intracranial Saccular Aneurysms: Experimental Work on Collateral Circulation Through the Ophthalmic Artery, Arch. Ophth.27: 1 [Jan.] 1942). The material for that paper was to a great extent derived from Dandy's series, and there is therefore a certain similarity between the description by Walsh and King and that in the present book. One finds again those curious