Indies, East and West, historical meaning of the names, [227].

Indo-European family of languages. See [Aryan].

Inflectional stage of language, [324].

Instrumental, formation of the, in Chinese, [119] note, [218].

Interjectional theory of roots, [367].

Interpreters, first encouragement given to, by trade, [93].

Irán, modern name of Persia, origin of the, [242].

Iranic class of languages, [205].

Iron, name for, in Sanskrit and Gothic, [236].

Iron, the Os of the Caucasus calling themselves, [243].