Read to the Chicago Medical Society.
The comparative rarity of this affection, and the intereresting features connected therewith, induce me to present the following case:
Mr. M., æt. 49, consulted me June last for what he termed "chronic catarrh in the head." The trouble extending over a period of many years, he had at various intervals been under medical treatment, but the benefit he received had always been transitory in effect. Of late the annoying symptoms had become so aggravating, that he had consulted Dr. Ernst Schmidt, of this city, who kindly referred him to me. A nasal discharge, existing for many years, had of late become so copious as to necessitate a daily use of from four to six handkerchiefs. In connection with this, he was subject to periodic attacks of neuralgic headache. According to his description these attacks were hemicranic in nature, extending over the right orbital and