Gramática do Kamaiurá, Língua Tupi-Guarani do Alto Xingu Gramática do Kamaiurá, Língua Tupi-Guarani do Alto Xingu Gramática do Kamaiurá, Língua Tupi-Guarani do Alto Xingu, by Lucy Seki, is an authoritative and comprehensive description of Kamayurá, an indigenous language of Brazil. Kamayurá is spoken by the people of the same name, which number about 290 as of 2005, living in two villages in the Xingu National Indian Reservation, Brazil. The book has 482 pages of text, plus 17 pages of color photos of the Kamayurá. Its thoroughness and completeness set it apart from most other books on American Indian languages, which usually give only an incomplete overview of their
Clearwater river (river type) Madeira (notably Guaporé, Ji-Paraná and Aripuanã) and Paraguay (although heavily influenced by its whitewater tributaries). The Tapajós and Xingu alone account for 6% and 5%, respectively, of the water in the Amazon basin. Examples of clearwater rivers originating in the Guiana Shield include the upper Orinoco (above the inflow of the blackwater Atabapo and whitewater Inírida–Guaviare), Ventuari, Nhamundá, Trombetas, Paru, Araguari and Suriname. Outside South America the classification is not commonly used, but rivers with clearwater characteristics are found elsewhere, such as the upper Zambezi River, certain upland streams in major river basins of South and Southeast Asia, and many