Opposition in sign language, [364]
Oral language defined, [273]
, primitive, [274]
Orators, modern, Gestures used by, [311]
Origin of sign language, [273]
Osage, Tribal signs for, [472]
Ouray, head chief of Utes, [315], [328]
Pani, Tribal signs for, [472]
Pantomime, Natural, [280]
Pantomimes, Classic, [286]