At one time, there was a prodigious excitement about these sorcerers, growing out of some alarming revelations concerning their practices. In several villages of Minda, they were sought to be put down. But fruitless the attempt; it was soon discovered that already their spells were so spread abroad, and they themselves so mixed up with the everyday affairs of the isle, that it was better to let their vocation alone, than, by endeavoring to suppress it, breed additional troubles. Ah! they were a knowing and a cunning set, those sorcerers; very hard to overcome, cajole, or circumvent. But in the name of the Magi, what were these spells of theirs, so potent and occult? On all hands it was agreed, that they derived their greatest virtue from the fumes of certain compounds, whose ingredients--