CHAP. XII 



BERMUDA 



263 



ever, extends a very deep ocean, while about 450 miles 

 distant in a south-east direction, the deepest part of the 

 North Atlantic is reached, where soundings of 3,825 and 



MAP OF BERMUDA AND THE AMERICAN COAST. 



Note.— The light tint indicates sea less than 1,000 fathoms deep 

 The dark tint ,, „ more than 1,000 fathoms deep. 

 The figures show the depth in fathoms. 



3,875 fathoms have been obtained. It is clear therefore 

 that these islands are typically oceanic. 



Soundings were taken by the Challenger in four differ- 



