Guatos
GUATOS, a tribe of South American Indians of the upper Paraguay. They are of a European fairness and wear beards. They live almost entirely in canoes, building rough shelters in the swamps. They aided the Brazilians in the war with Paraguay 1865-70. Very few survive.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)