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A. §. Bickmore—Journey thgough China. 13 
these extended to head waters of the Siang. The water is kept 
for a time in these rivers and canals by building dams across 
them whenever a rapid would occur and allowing the water to 
escape only over a small gap deep enough for a single boat to 
pass over. Hingan is in the same ruinous eondition as Ling- 
many as ten great water wheels were sometimes seen, one 
behind the other. ‘It seemed as if there were more rapids in 
the 14 leagues from Tankatse to Sinchau than in the 16 leagues 
from Kweilin to Wuchau on the other side of the water-shed. 
b 
which all agreed in saying came from a waterfall 93 li distant 
among the hills. Small boys gather them at the foot of the fall 
and bring them to market to sell for curiosities. They were 
Brachiopoda, probably of the Devonian period, and from the 
cury rts near the hinge the Chinese call them “ hawks.” 
A Mandarin afterward gave me the same account of them. 
They come from the limestones already described as resting on 
grits and slates 
hills border the river, and the valley of the Siang really begins. 
All the way from Shauking near Canton to this point, the 
safety and that those policemen were absolved from any farther 
responsibility. But all 
