This volume, originally published in 1970, presents a survey of the languages spoken in an area extending from the Atlantic coast at the Sengal River eastward to the Lake Chad region. The area covered by this volume is mainly a goegraphical one, so it follows that not all the languages included are related to one another, though a certain degree of homogeneity appears.
1. West Atlantic Languages 2. Mande Languages 3. Songhai 4. Kru Language Group 5. Gur Languages 6. Kwa Languages 7. Isolated Groups or Units (Class Languages) 8. Isolated Groups or Units (non-Class Languages) 9. Chadic Languages
Due to modern production methods, it was not possible to reproduce these fold-out maps within the re-issue of this series. They are therefore displayed here, in the order in which they appear in the book: