Date: 1860
352.  That I might study to better advantage the workings of Division into wind the atmospherical machinery in certain aspects, I bamls- divided the sea into bands or belts 5° of latitude in breadth, and stretching east and west entirely around the earth, but skipping over the land.  There are twelve of these bands on each side of the equator that are traversed more or less frequently by our fleet of observers ; they extend to the parallel of 60° in each hemisphere.