Oncius

{{short description|Mythical son of Poseidon}} In Greek mythology, '''Oncius'''{{Pronunciation needed}} ({{langx|grc|Ὄγκιος|Ónkios|case for arrowheads}}) or '''Oncus''' ({{langx|grc|Ὄγκος|Ónkos|point of an arrow}})<ref>Liddell Scott s.v. ὄγκιον & ὄγκος (Α)</ref> was a son of Apollo and a ruler over Ónkeion ({{lang|grc|Ὄγκειον}}), a region of Arcadia adjacent to Thelpusa,<ref>Pausanias, ''Description of Greece'', 8. 25. 4</ref><ref>Stephanus of Byzantium s. v. ''Onkeion''</ref> as well as eponym of a city Oncae.<ref>''Etymologicum Magnum'', 613. 43</ref> He owned a herd of horses, in which Demeter tried to hide from Poseidon's advances, changing herself into a mare. Poseidon did mate with her in the shape of a stallion, which resulted in the birth of the fantastic horse Arion. Oncius kept Arion and later gave him away to Heracles as the latter was starting a military campaign against Elis.<ref>Pausanias, ''Description of Greece'', 8. 25. 5 & 10</ref>

==Notes== {{reflist}}

== References ==

* Pausanias, ''Description of Greece'' with an English Translation by W.H.S. Jones, Litt.D., and H.A. Ormerod, M.A., in 4 Volumes. Cambridge, MA, Harvard University Press; London, William Heinemann Ltd. 1918. {{ISBN|0-674-99328-4}}. [http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.01.0160 Online version at the Perseus Digital Library] * Pausanias, ''Graeciae Descriptio.'' ''3 vols''. Leipzig, Teubner. 1903. [http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.01.0159 Greek text available at the Perseus Digital Library]. * Stephanus of Byzantium, ''Stephani Byzantii Ethnicorum quae supersunt,'' edited by August Meineike (1790-1870), published 1849. A few entries from this important ancient handbook of place names have been translated by Brady Kiesling. [https://topostext.org/work/241 Online version at the Topos Text Project.]

Category:Children of Apollo Category:Arcadian mythology