28 DEEP-SEA SOUNDING. 



incline me to believe that another submarine range, and 

 possibly more than one, may be found to run nearly 

 parallel to the above, but a few hundred miles to the 

 eastward, to which the submarine peaks revealed by our 

 casts of 731 and 979 fathoms and the island of St. 

 Helena may belong. Future investigations of the 

 depths of the sea in that part of the South Atlantic will 

 be of great interest. 



