The work combines linguistic, historical, and ethnographic study of southern indigenous groups with focused analysis of the Maskoki family and Creek society, describing settlements, pathways, governance, ceremonies, and dialectal features. It surveys related Gulf languages and tribal divisions, compares Maskoki dialects, and presents grammatical and lexical material drawn from field research. The latter portion centers on a Kasi'hta migration legend, offering the Creek text and an English translation alongside interpretation of its mythic elements, religious motifs, and migration traditions. Supplementary material includes comparative notes, vocabularies, and indications of further transcriptions for other dialects.