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Leprosy.
—The Hawaiian Legislature, in its determined efforts to try to control the spread of leprosy in the islands, was fortunate in securing the valuable services of Dr. Edward Arning for purposes of special research. He found the bacillus lepræ plentifully in all nodules and diffuse swellings of the tuberculated cases and in similar lesions of the mucous membrane of the mouth, throat, nose, rectum, and large intestine, and in the discharges from the ulcerated lesions. He recognizes a diarrhœa arising from the leprous ulceration of the bowels closely simulating a true dysentery, and thinks that the deaths usually ascribed to intercurrent pneumonia, tubercular phthisis, and dysentery should be more correctly ascribed to breaking down of leprous infiltrations of the lungs and bowels. He failed to find the bacilli in the early bright red patches of vaso-motor congestion due to nerve lesions, in the anæsthetic patches of the so called