semi-fraudulent conditions; but those who take the easy line of assuming that hyper-ingenious fraud and extravagant self-deception are sufficient to account for the whole of the facts, will ultimately, I think, find themselves to have been deceived by their own a priori convictions. Nevertheless we may agree that at present the Territory under exploration is not yet a scientific State. We are in the pre-Newtonian, possibly the pre-Copernican, age of this nascent science; and it is our duty to accumulate facts and carefully record them, for a future Kepler to brood over.

What may be likened to the ‘Ptolemaic’ view of the phenomena seems on the whole to be favoured by the French observers, viz. that they all centre round living man, and represent an unexpected extension of human faculty, an extension, as it were, of the motor and sensory power of the body beyond its apparent boundary. That is undoubtedly the first adit to be explored, and it may turn out to lead us in the right direction; but it is premature even to guess what will be the ultimate outcome of this extra branch of psychological and physiological study. That sensory perception can extend to things out of contact with the body is familiar enough, though it has not been recognised for the senses of touch or taste. That motor activity should also extend into a region beyond the customary range of muscular action is, as yet, unrecognised by science. Nevertheless that is the appearance.

The phenomena which have most attracted the attention and maintained the interest of the French observers, have been just those which convey the above impression: that is to say, mechanical movements without contact, production of intelligent noises, and either visible, tangible, or luminous appearances which do not seem to be hallucinatory. These constantly-asserted, and in a sense well-known, and to some few people almost familiar, experiences, have with us been usually spoken of as ‘physical or psycho-physical phenomena.’ In France they have been called ‘psychical phenomena,’ but that name is evidently not satisfactory, since that should apply to purely mental experiences. To call them ‘occult phenomena’ is not distinctive, for everything is occult until it is explained; and the business of science is to contemplate the mixed mass of heterogeneous appearances, such as at one time formed all that was known of Chemistry, for instance, or Electricity, and evolve from them an ordered scheme of science.

To emphasise the fact that these occurrences are at present beyond the scheme of orthodox psychology or psycho-physiology, in somewhat the same way as the germ of what we now call Metaphysics was once placed after, or considered as extra to, the course of orthodox Natural Philosophy or Physics, Professor Richet has suggested that they be styled ‘meta-psychical phenomena,’ and that the nascent branch of science, which he and other pioneers are endeavouring to found, be called for the present ‘Metapsychics.’ Dr. Maxwell concurs in this comparatively novel term, and as there seems no serious objection to it, the English version of Dr. Maxwell’s record will appear under this title.

The book will be found for the most part eminently readable—rather an unusual circumstance for a record of this kind—and the scrupulous fairness with which the author has related everything he can think of which tells against the genuineness of the phenomena, is highly to be commended. Whatever may be thought of the evidence it is manifestly his earnest wish never to make it appear to others better than it appears to himself.

If critics attack the book, as they undoubtedly will, with the objection that though it may contain a mass of well-attested assertions by a competent and careful observer, yet his observations are set down without the necessary details on which an outside critic can judge how far the things really happened, and how far the observer was deceived—let it be remembered that this is admitted. Dr. Maxwell’s defence is, that to give such details as will satisfy a hostile critic who was not actually present is impossible—in that I am disposed to agree with him—he has therefore not attempted the task; and I admit, though I cannot commend, his discretion.

It may be said that the attempt to give every detail necessarily produces a dreary and overburdened narrative. So it does. Nevertheless I must urge—as both in accordance with my own judgment of what is fitting, and in loyalty to the high standard of evidence, and the more stringent rules of testimony, inaugurated by the wise founders of the Society for Psychical Research—that observers should always make an effort to record precisely every detail of the circumstances of some at least of these elusive and rare phenomena; so as to assist in enabling a fair judgment to be formed by people who are not too inexperienced in the conditions attending this class of observation, and at any rate to add to the clearness of their apprehension of the events recorded. The opportunities for research are not yet ended, however, and I may be allowed to express a hope that in the future something of this kind will yet be done, when the occasion is favourable, after a study of such a record as that of the Sidgwick-Hodgson-Davy experiments in the Proceedings of the Society for Psychical Research, vol. iv. Our gratitude to Dr. Maxwell would thus be still further increased.

And now, finally, I must not be understood as making myself responsible for the contents of the book, nor for the interjected remarks, nor for the translation. The author and translator must bear their own responsibility. My share in the work is limited to expressing my confidence in the good faith of Dr. Maxwell—in his impartiality and competence,—and while congratulating him on the favourable opportunities for investigation which have fallen to his lot, to thank him, on behalf of English investigators, for the single-minded pertinacity and strenuous devotion with which he has pursued this difficult and still nebulous quest.

Oliver Lodge.

PREFACE

There are books in which the author says so clearly and in such precise terms what he has to say that any commentary weakens their import; and a preface becomes superfluous, sometimes even prejudicial.

Dr. Maxwell’s work belongs to this category. The author, who has long given himself up to psychology, has had the opportunity of seeing many interesting things. He has observed everything with minute care; and having well thought out the method of observation, the consequences, and the nature itself of the phenomena, he lays bare his facts and deducts therefrom a few simple ideas, fearlessly, honestly, sine ira nec studio, before a public which he hopes to find impartial.

To this same public I address the short introduction, with which my friend Dr. Maxwell kindly asked me to head this excellent work.

My advice to the reader may be summed up in a few words. He must take up this book without prejudice. He must fear neither that which is new, nor that which is unexpected. In other words, while preserving the most scrupulous respect for the science of to-day, he must be thoroughly convinced that this science, whatever measure of truth it may contain, is nevertheless terribly incomplete.

Those imprudent people who busy themselves with ‘occult’ sciences are accused of overthrowing Science, of destroying that bulwark which thousands of toilers, at the cost of an immense universal