QUA-TCHOW. 
155 
with black and white, and did not exceed eighteen inches in length. 
Shells in considerable quantities were also found on the banks. These 
were chiefly of a species of Paludina, which, Dr. Leach has observed, 
is allied to P. teniaculata of Lamark, or Helix tentaculata of Lin- 
naeus ; and which he has proposed to name Paludina sinensis. For 
specimens of these shells, I am indebted to their collector, Sir 
George Staunton. 
The latitude of Qua-tchow Dr. Lynn determined by observation to 
be 39° 40' north. The same gentleman found the mean temperature 
at noon, whilst he remained at this place, to be about 67 '5. 
