Applause, Signs for, [300]
Application, Practical, of sign language, [346]
Approbation, Sign for, [286]
Arapaho, Tribal signs for, [460]
Arbitrary signs, [340]
Archæologic research connected with sign language, [368]
Argyle, Duke of, Gestures of Fuegans, [293]
Arikara, Tribal signs for, [461]
Arm positions, Outlines of, in sign language, [545]
Arrangement in descriptions of signs, [546]