Attending Genito-Urinary Surgeon, Alexian Brothers' Hos¬ pital, Chicago. The report of this series of cases shows find¬ ings obtained only with the Nitze observation cystoscope. However, other modes of exam¬ ination are used in case an examination can¬ not be made with the Nitze instrument, and if the requirements for its fulfillment are not present. Dr. Schmidt is an ardent advocate of the Nitze method in preference to other methods for routine work. As this paper is not one on general

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... ¬ py, but only on the routine work of this de¬ partment, only the modus opcraudi will be de¬