[4] Icelandic is the oldest and purest form of Scandinavian. Danish and Norwegian are practically the same, in fact, their literary or book- language is one.

[5] Two names for rivers—Avon and Ex—which in one form or another are found in every part of England, are Celtic words meaning "water."

[6] See page 518.

[7] See page 309, note 1.

[8] See page 336.

[9] See page 386.

[10] See pages 284, 344.

[11] See page 283.

[12] The cathedral, baptistery, and campanile of Pisa form an interesting example of Romanesque architecture. See the illustration, page 544.

[13] The interior of King's College Chapel, Cambridge, shows the ribs and the beautiful tracery of the ceiling of a Gothic building. See the plate facin page 570.