Inductive reasoning leads Legrand to discover an encrypted message that he sets out to painstakingly decipher. Poe's detailed analysis of the cryptogram is quintessentially romantic, encouraging rational inquiry into seemingly supernatural phenomenon. A respect for both the natural and supernatural worlds is implied by the story. Interestingly, nothing supernatural does take place in "The Gold-Bug." Legrand admits to the striking coincidences that led him to the treasure, but coincidences themselves are not supernatural events. Legrand states, "it was not done by human agency. And nevertheless it was done."
The titular bug is a scarabaeus, which is a direct allusion to ancient Egypt. Like pirates, the imagery and lore of ancient Egypt has romantic, compelling connotations for readers. The reference to the scarab is coupled with the eerie image of the skull. When Jupiter finally climbs out on the "dead" limb the situation takes on an ominous tone before resolving itself...
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