79. Torre del Fame (Dante, Pisa)--Opposite page 306 80. Palazzo Pretorio (Todi)--Opposite page 306 81. Angel (Rheims)--On page 318 82. St. Clare Bids the Dead St. Francis Good-bye (Giotto, Up. Ch. Assisi)--Opposite page 320 83. Church (Doberan, Germany)--Opposite page 322 84. San Damiano (Assisi)--Opposite page 322 85. St. Elizabeth's Cathedral (Marburg)--Opposite page 325 86. Marriage of the Blessed Virgin (Giotto, Padua)--Opposite page 328 87. Mosaic (St. Mark's, Venice, 1220)--Opposite page 333 88. Stone Carving (Amiens)--On page 336 89. Hospital of the Holy Ghost (Lübeck)--Opposite page 341 90. Charity (Giotto)--Opposite page 347 91. Fortitude (Giotto)--Opposite page 347 92. Hope (Giotto)--Opposite page 347 93. Hospital Interior--On page 349 94. Tower (Marburg)--On page 363 95. City Gate (Neubrandenburg)--Opposite page 368 96. Rathhaus (Stralsund)--Opposite page 368 97. Portrait of Pope Boniface VIII. (Giotto, Rome)--Opposite page 372 98. Decoration (XIII. Cent. Psalter)--On page 374 99. Doorway (Lincoln)--Opposite page 381 100. Nave (Durham)--Opposite page 381 101. Broken Arch (St. Mary's, York, Climax of Gothic)--Opposite page 381 102. Animals from Bestiarium (XIII. Cent. MS.)--On page 391 103. Door of Giotto's Tower (Florence)--Opposite page 405 104. Principal Door of Baptistery (Pisa)--Opposite page 405 105. Palazzo dei Consoli (Gubbio)--Opposite page 417 106. Palazzo Zabarella (Padua)--Opposite page 417 107. Rathhaus (Lübeck)--Opposite page 422 108. City Gate (Neubrandenburg)--Opposite page 426 109. Minster (Chorin, Germany)--Opposite page 426 110. Hinge from Schlestadt--On page 429 111. Portion of Letter of Innocent III., Mentioning Greenland--On page 433 112. Double Pivoted Compass Needle--On page 441 113. Peregrinus' Compass--On page 442 114. Portion of MS. of Ormulum--On page 450 115. Key of Map of World (Hereford)--On page 461 116. Map of World (Hereford)--Opposite page 463 {xxx} {1} I INTRODUCTION THE THIRTEENTH, THE GREATEST OF CENTURIES