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 





Fig. i Brooke's Sounding Apparatus 



the bottom of the Atlantic, at the deepest place yet reached by the 

 plummet 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 



