(9) point of sea water. Sea ice is not so hard and elastic as fresh-water ice, but that which is formed rapidly under a sudden drop in the temperature is tougher than which is formed more slowly. Black ice not more than four inches thick, in Uranacle Fjord, did not bend under impact of Kahanootiks or me just after May 1917 did not bend, whereas that of equal or greater thickness bent under the men walking around the "Chrest" in Parker Snow Bay in October, 1915. I don't comprehend how Peary and his men struck the