symbol in ancient American art, [296];

in Arabia, [323];

in India, “Navel of the heaven,” [520];

“Navel of the world,” [521].

Navigation, primitive crafts and charts, Ceylon and Karashee, [159], [160];

Peruvian fishing boats of seal skin;

Quetzalcoatl's twin raft of serpent or seal skin;

illustrations in native codices and sculptures, [160]

(see also [Boat] and [Maritime intercourse]).

Nebuchadnezzar, [365].