the radical stage of language, [285], [286].
the terminational stage, [285], [288].
the inflectional stage, [285].
Languages, number of known, [35].
teaching of foreign languages comparatively a modern invention, [91].
reason why the ancient Greeks never learned foreign languages, [91].
“The Mountain of Languages,” [93].
genealogical classification of, [166].
tests for reducing the principal dialects in Europe and Asia to certain families of languages, [174].
genealogical classification not applicable to all languages, [174].