▁Cl á udio . ▁S aving ▁Brazil ' s ▁stone ▁age ▁tribes ▁from ▁ext inction . ▁In : ▁National ▁Geographic ▁Magazine . ▁Vol . ▁ 1 3 4 . ▁n . o . ▁ 3 . ▁set . ▁ 1 9 6 8 , ▁p .   4 2 4 - 4 4 4 . ▁ ▁Vill as - B ô as , ▁Cl á udio ; ▁Vill as ▁B ô as , ▁Or lando . ▁" X ingu : ▁Os ▁í nd ios , ▁seus ▁mit os " ▁Rio ▁de ▁Janeiro : ▁Z ah ar , ▁ 1 9 7 0 . ▁ ▁Vill as - B ô as , ▁Cl á udio ; ▁Vill as - B ô as , ▁Or lando . ▁" X ingu : ▁the ▁Indians , ▁their ▁myth s " ▁New ▁York : ▁F arr ar , ▁Stra us ▁and ▁Gir oux , ▁ 1 9 7 3 . ▁▁ ▁Vill as - B ô as , ▁Or lando : ▁Os ▁Jur una ▁no ▁Al to - X ingu ”. ▁In : ▁Ref lex ão . ▁Instituto ▁de ▁Ci ências ▁Human as ▁e ▁Let ras ▁da ▁Univers idade ▁Federal ▁de ▁Go i ás , ▁ 1 9 7 0 a . ▁p .   6 1 - 8 7 . ▁ ▁Vill as - B ô as , ▁Or lando : ▁Territ ó rio ▁Trib al . ▁In : ▁Ma ure en ▁Bis ill iat ; ▁Or lando ▁Vill as ▁B ô as ▁und ▁Cla udio ▁Vill