THE BRJITISg7 MThI'CAL,JOW NALN (01 gave a raised appearance to them, buit, on s'emoval'of this, leaving an ulcerating stirface, which bled slightly. On the following (third) day similar ulcers appeared on: the soft palate, the uvula, 'and the posterior wall of the pharynx. There was no difficulty in breathing, no hoatrseness, or anything to indicate mischief in the larynx. The highest evening temperatuire was 104.20 Fahr., and defervescence ensued by crisis oni the fifth day, followed by rapid

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... convalescence. The line of treatment adopted was a brisk purge of calomnel and colocynth, chlorate of potash internally and locally, and a milk diet. On the fifth day, he was given perchloride of iron solution internally, and the ulcers were painted with a ten-grain solution of silver nitrate. Beyond great weakness, there were no sequeke of any kind. This case was followed by thirty-four more, all of which ran similar courses. Twenty were very severe, the temperature averaging 1030 Fahr. Eleven were milder, the temperature never exceeding 1020 Fahr. ; and the remainder were so slight, that they recovered without any treatnment beyond a gargle of chlorate of potash. The congestion of the fauces remained in nearly every case two to three weeks after the ulcers were healed. I examined the throats of nearly all the men in the college, and found that most of them were red and congested, but giving rise to no discomfort. At the first appearance of these cases, I simply attribute(d them to cold, but, on their increasing rapidly in number, I made a careful search for a more satisfactory cause. Accordingly, Mr. Darby, the college'architect, and I made a thorough examination of the premises. We first examined the drainage, the main sewers being found to be intact, well laid, and disconnected from the town sewer by an efficient trap, but with no ventilation-shaft. All the closets and urinals, which are in the quadrangle oni the west side, were found in good working order, and well ventilated, only being half roofed in. In the large dormitory, containing sixty cubicles, u-erc two water-