Serpent mound, [401].
Serpent symbol, [401].
Serpent, worship of, [429].
Seven Caves, [138].
Seven Cities, island of, [31], [47], [48].
Sewall, Samuel, on Hornius, [370];
Phænomena, [115].
Sewell, Stephen, on Dighton Rock, [103], [104].
Shaler, N. S., on the New Jersey gravels, [334];