sentences:  These gulfs and channels are full of islands and rocks which with some others farther south are comprehended under the general name of the Bahama Islands.The Key Sal Bank which turns the gulf stream to the north and sends it to the Straits of Florida lies between the Great Bahama Bank and Cuba between 23 and 24 N lat and is divided from the former by the Santarem Channel and from the latter by Nicholas Channel which unite farther to the south east and take the name of Old Bahama Channel.Key Sal Bank is of no great extent and contains few rocks and islets.