533 
APPENDli, N" II. 
other use, as it contains water only in the 
spring ; therefore the barks that profited by 
this season, to go up the Pripit, could never 
return the same track: in July the canal is 
perfectly dry. To make this canal of use, 
the erection of nine or ten sluices is abso- 
lutely necessary : particularly to answer 
certain military frontier purposes. 
END OF THE FIRST VOLUME. 
Printed by R. Watts, 
Crown Court , Temple Bur • 
