in the brain, or some white nerve in the body, delighting in the conception of the absolute dependence of the spirit on certain physical conditions, morbid or healthy, normal or diseased. Yet, as has been said of him before, no theory of life seemed to him to be of any importance compared with life itself. He felt keenly conscious of how barren all intellectual speculation is when separated from action and experiment. He knew that the senses, no less than the soul, have their spiritual mysteries to reveal.

And so he would now study perfumes and the secrets of their manufacture, distilling heavily scented oils and burning odorous gums from the East. He saw that there was no mood of the mind that had not its counterpart in the sensuous life, and set himself to discover their true relations, wondering what there was in