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Styx

Aiton's Encyclopedia (1910)

stiks, in Greek mythology, one of the five rivers of Hades. It flowed seven times around the infernal regions. According to Hesiod, Styx was the name of a nymph, daughter of Oceanus and Tethyz. When Zeus called upon the gods for aid in his war with the Titans, Styx was the first to respond, bringing her children, Power, Force, Emulation, and Victory, with her. As a reward her children were allowed to remain with Zeus in Olympus, and Styx was given a home in a grotto supported by silver columns. This grotto was situated near the entrance to the infernal regions, and the nymph presided over the infernal river which bore her name. Moreover, Zeus decreed that the gods should swear their most solemn oaths by the name of Styx. When this oath was taken, Iris brought water from the river, which was poured out while the oath was uttered. If such an oath was broken, the god who thus foreswore himself was deprived of speech and breath for a year, and debarred from the council of the gods for nine years. According to one account, Thetis, the mother of Achilles, dipped her infant son in the river of Styx, making every part of him invulnerable excepting the heel by which she held him. The word Styx means hate. Milton describes the river as "Abhorred Styx, the flood of deadly hate." John Kendrick Bangs has written a bright skit, called The Houseboat on the Styx, in which the conversation of Noah, Shakespeare, and other celebrities is described most facetiously.

What Has Changed in the Last Century

Aiton's 1910 account of the oath-river, the nymph daughter of Oceanus, and the dipping of Achilles is still the standard telling; the mythology has not moved. What has moved is where else the name turns up. In 2013 the International Astronomical Union gave the name Styx to a small moon of Pluto discovered by Hubble the previous year, so the river now circles the underworld's god in orbit as well as in Hesiod. The real Arcadian Styx, a high waterfall on Mount Chelmos known locally as the Mavroneri, still draws visitors, and its reputedly deadly water has been floated by modern researchers as a possible agent in the death of Alexander the Great — a suggestion, not a finding. And the light literary joke Aiton reached for, Bangs's Houseboat on the Styx, has been thoroughly displaced in popular recognition by the American rock band Styx, formed in 1972.

Written for this edition, 2026.