Most of these Letters were written in the bloom and heyday of youthful spirits and youthful confidence, at a period when the old order of things existed with all its picturesque pomps and absurdities; when Venice enjoyed her piombi and submarine dungeons; France her bastile; the Peninsula her holy Inquisition. To look back upon what is beginning to appear almost a fabulous era in the eyes of the modern children of light, is not unamusing or uninstructive; for, still better to appreciate the present, we should be led not unfrequently to recall the intellectual muzziness of the past.