Note: Do not rely on this information. It is very old.
Ossyebos
Ossyebos, a people of west Equatorial Africa, who occupy the left bank of the Ogoway, where they are conterminous with the Adumas. The Ossyebos are a fine race of modified Negro type, speaking a Bantu language, related to the Mpongwe of the Gaboon district. They are not to be confounded with the Osyebas, who form a main division of the Fans (q.v.).