Chap. VI. THE YUMAS. 529 
the stream in returning, having fastened the letter in 
answer, to keep it dry, in his thick hair. These Indians 
will undertake long journeys, swimming down stream, 
with the help of a piece of wood ; and I saw repeatedly 
whole troops of men, women, and children floating down 
the river, which is very rapid and has muddy reddish 
water. 
2 m 
