551. Whistle Date: 1951 Description: Whistle made of wood with a metal ring on one end and wax or gum stuck to the outside of the wood; appears to be in the shape of an animal on one end.
552. Zither Date: 1951 and 1989 Description: Zither with no strings, nine holes, and nine separate rectangular protrusions on each end; origin Ituri forest.
