and the salycilate of soda. More faith in the pre¬ vention with the bichloride, and most in perfect cleansing of the bed every day. Dr. Louis Bauer discussed auto infection. He thinks prevention of infection to be a question of cleanliness, not one of time. He thinks be has put it to the test in one of his cases. He used his hands freely in a case of phlegmonous erysipelas, and did an ovariotomy the next day. He took his accus¬ tomed bath, washed his hands, using a solution of ammonia, and

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... f ammonia, and changed his clothes. He thinks the bichloride is generally accepted as the safest anti¬ septic, yet we find with it painful tenesmus, straining, and death. He thinks i :40o too much; 1 :io,ooo has been found by experiment to kill bacteria. Such a deadly poison certainly should not be used any more concentrated than necessary.