1. Distribution and cultural connection of the Malayan races
2. General consideration of the course of man's development
3. The same, continued
4. Effects of exceptional mental power
5. Conjoint action of individuals and nations
6. The same, continued
7. Transition to closer consideration of language
8. Form of languages
9. Nature and constitution of languages as such
10. Sound-system of languages
11. Inner linguistic form
12. Combination of sound with inner linguistic form
13. The procedure of language more fully explained
14. Isolation, inflection and agglutination of words
15. Verbal unity more closely examined
16. Accent
17. Incorporative system of languages
18. Congruence of sound-forms in languages with grammatical requirements
19. Main division of languages, according to the purity of their formative principle
20. Character of languages
21. Power of languages to evolve felicitously from one to another
22. Retrospect on the course of the inquiry so far
23. Nature and origin of less perfect language-structure
24. The Chinese language
25. Whether the polysyllabic language-structure has evolved from the monosyllabic.
