THIRTY-EIGHTH ANNUAL REPORT PLATE 98 
EUREAU OF AMERICAN ETHNOLOGY 
byt! 
ft 
‘ 
ie 
“i 
alrau. 
W: 
A, Circular tray. 
Warrau. 
B, The tarimba monochord. 
CIRCULAR TRAY WITH OVERCAST EDGING; 
MONOCHORD 
