glance at the modern history of language, [173].
distinction between the radical and formal elements of, [215].
constituent elements of, [250].
morphological classification, [275], [286].
the inflectional stage of, [324].
consideration of the problem of a common origin of languages, [326] et seq.
former theories, [345].
proper method of inquiry, [347].
man and brutes, faculties of, [350].
the difference between man and brute, [354].