192 NARRATIVE OF THE EXPEDITION. 



througli the sound, with the velocity of two or three Danish 

 miles in the hour. When the wind blows violently from the 

 German Sea, the water rises in several Baltic harbors, and gives 

 those in the western tract a temporary saltness; otherwise, the 

 Baltic loses that other property of a sea, by reason of the want 

 of tide, and the quantity of vast rivers it receives, which sweeten 

 it so much as to render it, in many places, fit for domestic use." 



