It would therefore in the very first days of its activity have encountered all these strange problems: telepathy, materializations, clairvoyance, miraculous cures, knowledge of the future, the possibility of survival, interplanetary intelligence and many others, which it has neglected hitherto and which, thanks to its neglect, are still in their infancy. But, as the human mind is not able to follow two diametrically opposite directions at the same time, it would necessarily have rejected the mathematical sciences. A steamship coming from another hemisphere, one in which men's minds had taken, unknown to ourselves, the road which our own has actually taken, would have seemed to us as wonderful, as incredible as the phenomena of our subconsciousness seem to us to-day. We should have gone very far in what at present we call the unknown or the occult; but we should have known hardly anything of physics, chemistry or mechanics, unless, which is very probable, we had come upon them by another road as we travelled round the occult. It is true that certain nations, the Hindus particularly, the Egyptians and perhaps the Incas, as well as others, in all probability, who have not left sufficient traces, thus went to work the other way and obtained nothing decisive. Is this again a consequence of the hopeless incompatibility between the faculties of the brain and those of the subconsciousness? Possibly; but we must not forget that we are speaking of nations which never possessed our intellectual habits, our passion for precision, for verification, for experimental certainty; indeed, this passion has only been fully developed in ourselves within the last two or three centuries. It is to be presumed therefore that the European would have gone much farther in the other direction than the Oriental. Where would he have arrived? Endowed with a different brain, naturally clearer, more exacting, more logical, less credulous, more practical, closer to realities, more attentive to details, but with the scientific side of his intelligence uncultivated, would he have gone astray or would he have met the truths which we are still seeking and which may well be more important than all our material conquests. Ill-prepared, ill-equipped, ill-balanced, lacking the necessary ballast of experiments and proofs, would he have been exposed to the dangers familiar to all the too-mystical nations? It is very difficult to imagine so. But the hour has now perhaps come to try without risk what he could not have done without grave peril. While abandoning no whit of his understanding, which is small compared with the boundless scope of the subconsciousness, but which is sure, tried and docile, he can now embark upon the great adventure and try to do that which has not been done before. It is a matter of discovering the connecting link between the two forces. We are still ignorant of the means of aiding, encouraging, developing