PROLOGUE. Yes; it was utterly inexplicable. So strange, indeed, were all the circumstances, and so startling the adventures that befell me in my search after truth, that until today I have hesitated to relate the narrative, which is as extraordinary as it is unique in the history of any living man. If it were not for the fact that a certain person actively associated with this curious drama of our latter-day civilization has recently passed to the land that lies beyond the human ken, my lips would have perforce still remained sealed. Hitherto, my literary efforts have been confined to the writing of half-illegible prescriptions or an occasioned contribution to one or other of the medical journals; but at the suggestion of the one who is dearest to me on earth, I have now resolved to narrate the whole of the astonishing facts in their due sequence, without seeking to disguise anything, but to lay bare my secret, and to place the whole matter unreservedly before the reader. Every doctor has a skeleton in his cupboard. I am no exception. Any dark or mysterious incident, however trivial, in the life of a medical man, is regarded as detrimental by his patients. It is solely because of that I am compelled to conceal one single fact—my true name. For the rest, reader, I shall be quite straightforward and open in my confession, without the affectation of academic phrases, even though I may be a physician whose consulting-room in Harley Street is invariably full, whose fees are heavy, and whose name figures in the public prints as the medical adviser of certain leaders of society. As Richard Colkirk, M.D., M.R.C.S., M.R.C.P., F.R.S., specialist on nervous disorders, I am compelled to keep up appearances and impress, with a sense of superior attainments, the fashionable world who seek my advice; but as Dick Colkirk, the narrator of this remarkable romance, I can at all times be frank and sometimes confidential. In the wild whirl of social London, there occur daily incidents which, when written down in black and white, appear absolutely incredible. Amid the fevered rush of daily life in this, our giant city of violent contrasts, the city where one is oftentimes so lonely among millions, and where people starve and die in the very midst of reckless extravagance and waste, one sometimes meets with adventures quite as astounding as those related by the pioneers of civilization—adventures which, if recounted by the professional novelist, must of necessity be