Of the pleasures and pains of opium much has been written. The ecstasies and horrors of De Quincey and the paradis artificiels of Baudelaire are preserved and interpreted with an art which makes them immortal, and the world knows well the beauty, the terror and the mystery of those obscure realms into which the inspired dreamer is transported. But much as has been told, no man has yet dared intimate the nature of the phantasms thus unfolded to the mind, or hint at the direction of the unheard-of roads along whose ornate and exotic course the partaker of the drug is so irresistibly borne.