BUREAU OF AMERICAN ETHNOLOGY THIRTY-EIGHTH ANNUAL REPORT PLATE 67 
D 
CASSAVA GRATERS 
A, Stone chips removed from a Taruma grater. B, Stone chip cassava grater. Taruma. (Georgetown 
Museum.) (C, Cassava grating on the islands; middle seventeenth century. (After Rochefort.) D, 
Stone chip cassava graters from the Uaupes River district. (After Koch-Griinberg.) 
