DEPTH OF THE OCEAN. 5 
‘according to the deep-sea soundings in the accompanying dia- 
gram, is a long trough separating the Old World from the New, 
and extending, probably, from pole to pole. In breadth it contrasts 
strongly with the Pacific Ocean. From the top of Chimborazo to 
Fiz. 1.—Brooke’s Sounding Apparatus. 
the bottom of the Atlantic, at the deepest place yet reached by the 
lummet in that ocean, the distance in a vertical line is nine miles.” 
“ Could the waters of the Atlantic be drawn off, so as to expose 
to view this great sea gash which separates continents, and extends 
from the Arctic to the Antarctic Seas, it would present a scene the 
most rugged, grand, and imposing ; the very ribs of the solid earth 
