Discontinuance of sign language, Circumstances connected with the, [312]

Discourses in signs, [521]

Discovery, Signals for, [533]

Diversities in signs, Classes of, [341]

Divisions of sign language, [270]

Dodge, Col. Richard I., Abbreviations of signs, [339]

, Identity of sign language, [316], [335]

Dog, Signs for, [321], [387]

Done, finished, Sign for, [513], [522], [528]

Dorsey, Rev. J. Owen, Mistaken denial of signs, [326]