Thus clutching his legs as if to assure himself of his own identity, thus leaning eagerly forward by his companion’s side, his eyebrows contracted into a fixed frown and his nostrils twitching, Wolf felt the familiar mystic sensation surging up even now from its hidden retreat. Up, up it rose, like some great moonlight-coloured fish from fathomless watery depths, like some wide-winged marsh-bird from dark untraversed pools! The airs of this new world that met its rising were full of the coolness of mosses, full of the faint unsheathing of fern-fronds. Whatever this mysterious emotion was, it leaped forward now towards the new element as if conscious that it carried with it a power as formidable, as incalculable, as anything that it could encounter there.