fion of soluble salts of mercury; 2, injections of insol¬ uble mercurial preparations. The necessity of daily injections, frequently followed by painful nodules, makes the first method impossible for routine treat¬ ment, and it is, moreover, not always sufficiently active for grave cases. The writer has used only one form of insoluble mercurial preparation, i. e., calomel-Scarenzio-Smirnoff method -