Of the questions that have been brought to the attention of the medical profession within the last year, decidedly one of the most interesting is that of the effect of erysipelas and the toxic products of erysipelas upon malignant growths. We have had for many years sporadic observations and suggestions as to a remarkable effect of intercurrent attacks of erysipelas upon malignant growths; but these have been for the most part vague and uncertain, and, perhaps from lack of convincing scientific verification, have not been regarded as more than doubtful clinical curiosities. Recently, however, under careful and systematic investigation in various quarters the subject has developed unexpected interest, and equally unexpected importance. The results, indeed, of this investigation which are being published from time to time, would seem to indicate that the subject merits the wide attention that it is unquestionably receiving.
The most extensive study of the subject that