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14 *Hermis Trismegisti, Traduction par J. Mesnard, 8vo, Paris.
 * J. Kunkel, Experiments, 8vo, London, 1705.
 * Paracelsi, Opera Omnia. Preface by Fred. Bitiski, 2 vols. folio.
 * J. B. Porta, De Æris Transmutationibus, 4to, Romæ, 1610.
 * Quercetan, Hermetical Physic, 4to, London, 1605.
 * Georgii Ripley, Opera Omnia, 8vo, Cassel, 1649.
 * J. Trithemius, De Lapide Philosophico, 8vo, Paris, 1617.
 * Basil Valentin, Last Will, &c., 8vo, London, 1671.

But, having committed myself to a course, it was clearly my duty to prolong my efforts and to try every means open to me before admitting myself baffled.

It then occurred to me that I might, like Glendower in Shakspeare’s “Henry IV.,”