A neurosurgeon has a unique opportunity for psychologic study when he exposes the brain of a conscious patient; no doubt it is his duty to give account of such observations on the brain to those more familiar with the mind. He may find it difficult to speak the language of psychology, but it is hoped that material of value to psychologists may be presented, the application being left to them. It seems quite proper that neurologists should push their investigations into the neurologic mechanism associated with consciousness and should inquire closely into the localization of that mechanism without apology and without undertaking responsibility for the theory of consciousness. To make such an inquiry is to ask a very old question, as is shown by the following quotation from Zophar, the Naamathite, in the "Book of Job": Surely there is a vein for the silver And a place for gold where