xi.l 



THE SEA AND ITS WORK. 



J 75 



and its speed is slackened, but it cools with extreme slo'.v- 

 11 ess, so that it carries along a considerable store of heat. 



Fig. 45. — Section of the Atlantic Ocean between Sandy Hook (near New York) and 

 Bermuda, a distance of 700 nautical miles. The figures above the dotted lines 

 indicate depths in fathoms. 



The stream forms, in fact, a sharply-defined river of warm 

 water flowing over the colder water of the ocean. 



