The Spring and Summer of 1894. 



411 



there has not been land in any very recent geological 

 period ; and this depth is, no doubt, as old as the depth 

 of the Atlantic Ocean, of which it is almost certainly a 

 part. 



Another task to which I attached great importance 



SCOTT-HANSEN. JOHANSEN. 



TAKING WATER TEMPERATURES. 



and to which I have frequently alluded, was the obser- 

 vation of the temperature of the sea at different depths, 

 from the surface down to the bottom. These observa- 

 tions we took as often as time permitted, and, as already 

 mentioned, they gave some surprising results, showing 



