Documentation, description and analysis of the Kuikuro language (Carib). Phonetics and phonology, morphology, syntax. Comparison with the other Upper Xingu Carib variants (Kalapalo, Nahukwa, Matipu). Comparison with other Carib languages: the place of the Upper Xingu Carib inside the Carib family, as member of the southern branch. Descrição e análise de línguas indígenas brasileiras. Gramática Kuikuro; Etnografia da Oralidade