BUREAU OF AMERICAN ETHNOLOGY THIRTY-EIGHTH ANNUAL REPORT PLATE 51 
A, Net basket for crabs. Aiary River. (After Koch-Griimberg.) 
B, Cassava juice forced by hand pressure through a circular sifter, 
in place of a matapi. Uaupes River district. (After Koch- 
Griinberg.) 
CRAB BASKET; CASSAVA SQUEEZING BY HAND 
