Nature and scope of the subject -- Phonology: the production of speech-sounds -- Speech and writing: evolution of alphabets -- Classification of language - Classification of language (cont.) -- Classification of language (cont.) -- General survey of language -- General survey (cont.) -- General survey (cont.) -- Race and language -- Original seat and diffusion of the Indo-European -- Phonetic change -- Phonetic laws -- General phonetic tendencies in language -- Application of phonology to etymologies -- Changes of meaning -- The development of language