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.

Each number comprises the annual report of a different colony for a particular year.

This volume provides a large-scale, in-depth analysis of locative structures in Nigerian Pidgin and Ghanaian Pidgin English and compares those structures to locatives in their lexifier, substrate, and adstrate languages. The work draws on new research methods for investigating substrate and adstrate influence in semantics and creole genesis.