On the North-west Passage. 143 
in some extensive sea. Copper-Mine river is but 200 miles 
long, and cannot therefore discharge much water into this 
with those of Cooke and Mackenzie, any longer to entertain 
a reasonable doubt.” In addition to this we have the re- 
practicability of a north west . 
e general line of coast segpaee Habe east and west, 
nearly in the latitude assi ackenzie’s river, the 
sound into which Kotesbue entered, and Repulse bay; and 
