[4] An Address before the Maine Medical Association, Portland, June 2nd, 1898. So soon as had subsided the feeling of surprise, caused by a most unexpected invitation to address you to-night, I began at once to cast about for a subject with which I might endeavor so to interest you as to justify the high and appreciated compliment which this invitation mutely conveyed. And so, after considerable reflection, it appeared to me that it was perhaps just as well that medical men should be entertained, even at such a gathering as this, by something which if not _of_ the profession was at least _for_ the profession, and still not too remote from the purposes which have drawn us together. Accordingly I decided to forsake the beaten path and, instead of selecting a topic in pathology or in surgery, upon which I could possibly speak with some familiarity, to invite your attention to a subject which has always been of the greatest interest to me, yet upon which it has been hard, without great labor and numerous books, to get much information. If I were to attempt to formulate this topic under a distinctive name I could perhaps call it _Medico-Christian_ Symbolism. It is well known to scholars that practically all of the symbols and symbolism of Christianity have come from pagan sources, having been carried over, as one might say, across the line of the Christian era, from one to the other, in the most natural and unavoidable way, although most of these symbols and caricatures have more or less lost their original signification and have been given another of purely Christian import. To acknowledge that this is so is to cast no slur upon Christianity; it is simply recording an historical fact. It would take me too far from my purpose to-night were I to go into the reasons which brought about this change; I simply want to disavow all intention of making light of serious things, or of reflecting in any way upon the nobility of the Christian Church, its meanings or its present practices. But, accepting the historical fact that Christian symbols were originally pagan caricatures, I want to ask you to study with me for a little while the original signification of these pagan symbols, feeling that I can perhaps, interest you in such a study providing that it can be shown that almost all of these emblems had originally an essentially medical significance, referring in some way or other either to questions of health and disease, or else to the deeper question of the origin of mankind and the great generative powers of nature, at which physicians to-day wonder as much as they did two thousand years ago. Considering then the medical significance of such study I have been tempted to incur the charge of being pedantic and have coined the term _Iatro-Theurgic Symbolism_, which title I shall give to the essay which I shall present to you to-night.