Osages. See [SIOUAN].
Oscans. A primitive Italic race inhabiting Campania, who were conquered by and amalgamated with the [Samnites] (q.v.) in the fifth century, B.C. Their language was a ruder form of Latin.
Osmanlis. See [TURKS].
Ossets. An isolated Aryan race inhabiting the Central Caucasus, and differing in language and customs from their Caucasian neighbours. They are probably allied to the Iranian stock, though some suppose them to be descended from Gothic settlers.
Ostrogoths. See [GOTHS].
Ostyaks. A Ugrian race of Mongolic physical type, allied to the [Samoyedes] (q.v.), inhabiting the Obi basin in Western Siberia. They are mainly nomads, hunters and reindeer breeders. They are kind, gentle and honest, and show considerable artistic power.
Otoes. See [SIOUAN].
Otomis. An Indian race of Mexico, assumed on linguistic grounds to represent the oldest of American Indian stocks.
Ottomans. See [TURKS].
Ovaherero. See [HEREROS].