CHAPTER I. Introduction, CHAPTER II. Progress of Knowledge, CHAPTER III. Extinct and Dead Languages: Foreign Languages: Mixed Languages in Course of Formation, CHAPTER IV. Classification of Languages, CHAPTER V. Materials Available, CHAPTER VI. Written Characters, CHAPTER VII. Scheme of the Work, CHAPTER VIII. Semitic Group, CHAPTER IX. Hamitic Group, CHAPTER X. Nuba-Fulah Group, CHAPTER XI. Negro Group