have insisted on this point in advising as to the selection of men for northern expeditions. The fact that a man has had experience was in their opinion rather a draw¬ back than otherwise. The utility of an arctic sanatorium if such a one is ever seriously proposed, would therefore appear to be limited. It appears to be a fact that where pathogenic germs can not exist, other life is also difficult if not impossible, and, such being the case, we will have to make the best of it. The polar

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... , the Sahara, and other lifeless tracts will have to offer other claims than their heathfulness to render them attractive. TUMORS OF THE HEART.