| | FACING PAGE |
| Stonehenge. Salisbury Plain, England | 12 |
| Section and Plan of Treasury of Atreus | 12 |
| Teocalli or “House of God,” at Guatusco | 12 |
| Section of Pyramid | 38 |
| Modelsof Mastabas | 38 |
| Types of Egyptian Columns | 38 |
| Temple-Tomb of Rameses II at Abou-Simbel | 38 |
| Plan of Ramesseum | 38 |
| Model of Hypostyle Hall at Karnak | 39 |
| Peripteral Sanctuary, at Philæ | 39 |
| Temple of Edfou. Entrance to Hypostyle Hall | 39 |
| Example of Carved Decoration | 39 |
| “Sargon’s Castle.” Conjectured Restoration | 66 |
| Part of “Lion Frieze” and “Frieze of Arches” | 66 |
| Details of Wall Decoration at Koyunjik | 67 |
| Tomb of Darius I, Persepolis | 80 |
| Palace of Darius I, Persepolis. Conjectured Restoration | 80 |
| Type of Persian Columns | 81 |
| Hall of One Hundred Columns, Persepolis. Conjectured Restoration | 81 |
| The Palaces of Persepolis. Conjectured Restoration | 81 |
| Wall Decoration in Palace of Cnossus | 94 |
| Lion Gateway at Mycenæ | 94 |
| Plan of Acropolis of Tiryns | 94 |
| Part of Staircase in Palace of Cnossus | 95 |
| Council Chamber, with Gypsum Throne, Palace of Cnossus | 95 |
| Some Temple Plans—Hellenic | 116 |
| Hellenic Orders (Columns and Entablatures) | 116 |
| Roman Orders (Columns and Entablatures) | 116 |
| Model of the Acropolis | 116 |
| Model of the Parthenon (restored) | 116 |
| The Parthenon | 117 |
| Temples at Pæstum | 117 |
| Choragic Monument of Lysicrates, Athens | 117 |
| Temple of Nike Apteros, Athens | 117 |
| Portico of the Caryatides, Erechtheion | 117 |
| Detail of Ornament—Hellenic | 117 |
| Statues in the Round of Persephone and Demeter from the East Pediment of the Parthenon | 117 |
| Figures in High Relief from Procession of Worshipers. Frieze of the Parthenon | 117 |
| Plan of House of Pansa, Pompeii | 117 |
| Plan of Theatre of Dramyssus | 117 |
| Roman Forum, Conjectured Restoration | 162 |
| Maison Carrée, Nîmes | 162 |
| Arch of Constantine | 162 |
| Pantheon, Rome | 162 |
| Section of the Pantheon | 162 |
| Colosseum, Rome | 162 |
| Section of Colosseum | 162 |
| Basilica of Constantine | 163 |
| Roman Vaulting; from Baths of Diocletian | 163 |
| Gothic Vaulting; from Salisbury Cathedral | 163 |
| Theatre of Orange, France. Conjectured Restoration | 163 |
| Plan of Theatre of Orange, France. Conjectured Restoration | 163 |
| Porta Aurea—Golden Gate—Palace of Diocletian | 163 |
| Pont-du-Gard, Aqueduct Near Nîmes | 163 |
| Peristyle and Court of the House of the Vettii | 163 |
| Wall Paintings in the House of the Vettii | 163 |
| S. Apollinare Nuovo, Ravenna | 192 |
| S. Apollinare-in-Classe, Ravenna | 192 |
| Church of Kalb-Lauzeh, Syria | 193 |
| Church of Turmanin, Syria | 193 |
| Tomb of Galla Placidia | 202 |
| Interior of San Vitale, Ravenna | 202 |
| Diagram Showing Pendentives | 202 |
| Section of SS. Sergius and Bacchus, Constantinople | 202 |
| Section of S. Sophia, Constantinople | 202 |
| Diagram showing how a dome rests on eight piers enclosing an octagon, by niches or squinches | 202 |
| Exterior of S. Sophia, Constantinople | 203 |
| Interior of S. Sophia, Constantinople | 203 |
| Plan of S. Sophia, Constantinople | 203 |
| Plan of S. Mark’s, Venice | 203 |
| Exterior of St. Mark’s, Venice | 203 |
| Mosque of El Azhar, Cairo | 220 |
| Suleimaniyeh or Mosque of Suleiman | 220 |
| Arcades of the Mosque, now Cathedral, of Cordova | 220 |
| Court of the Lions, Alhambra, Spain | 220 |
| Palace of Ispahan, Persia. Conjectured Restoration of Pavilion of Mirrors and Gardens | 221 |
| College of Shah Hussein, Restoration; Ispahan, Persia | 221 |
| Mosque of Akbur, Futtehpore-Sikri, India | 221 |
| Taj Mahal, Agra, India | 221 |
| Pisa Cathedral, Campanile and Baptistry | 240 |
| Interior of Pisa Cathedral | 240 |
| S. Ambrogio, Milan | 240 |
| S. Michele, Pavia | 240 |
| The Certosa, or Church of the Carthusian Order, Pavia | 240 |
| Church of Vézelay, France | 240 |
| Church of Abbaye-aux-Dames, Caen | 240 |
| Remains of the Church of Cluny Abbey | 240 |
| Church of the Apostles, Cologne | 241 |
| Doorway of Salamanca Cathedral | 241 |
| Anglo-Saxon Tower, Earl’s Barton, Northamptonshire | 241 |
| Iffley Church, near Oxford | 241 |
| S. John’s Chapel, Tower of London | 241 |
| Nave of Durham Cathedral | 241 |
| Peterborough Cathedral | 241 |
| English Romanesque Detail | 241 |
| Sculptured Details from Amiens Cathedral Doorway | 270 |
| Skeleton Structure, showing method of vaulting, by means of pointed arch, and concentration of thrusts and counter-thrusts | 270 |
| Gothic Detail | 270 |
| Gothic Detail | 270 |
| Gothic Detail | 270 |
| Gothic Detail | 271 |
| Gothic Detail | 271 |
| Gothic Detail | 271 |
| Exterior and Interior Views of Lichfield Cathedral Showing the Nave Widening | 271 |
| Notre Dame, Paris, Plan | 280 |
| Amiens Cathedral, Plan | 280 |
| Amiens Cathedral | 280 |
| Notre Dame, Paris | 280 |
| Rouen Cathedral | 280 |
| Rheims Cathedral | 280 |
| Interior of Notre Dame Cathedral | 281 |
| Interior of Amiens Cathedral | 281 |
| Interior of Rheims Cathedral | 281 |
| Hôtel de Bourgtheroulde, Rouen | 281 |
| House of Jacques Cœur | 281 |
| Sainte Chapelle, Paris | 281 |
| Nave of Norwich Cathedral | 286 |
| Salisbury Cathedral, Interior | 286 |
| York Minster, West Façade | 286 |
| Lincoln Cathedral | 286 |
| Wells Cathedral, West Façade | 287 |
| Winchester Cathedral | 287 |
| Henry VII’s Chapel, Westminster | 287 |
| Westminster Hall, Timber Roof | 287 |
| Strasburg Cathedral | 300 |
| Ratisbon Cathedral | 300 |
| Town Hall of Munster | 300 |
| Cathedral of S. Gudule, Brussels | 300 |
| Cologne Cathedral | 300 |
| Cloth Hall of Ypres | 300 |
| Town Hall, Louvain | 301 |
| Town Hall, Brussels | 301 |
| Mechlin Cathedral | 301 |
| Antwerp Cathedral | 301 |
| Toledo Cathedral | 301 |
| Burgos Cathedral | 301 |
| Siena Cathedral, Interior | 310 |
| San Miniato, Florence; Marble Façade | 310 |
| Cathedral of Florence and Campanile | 310 |
| Doge’s Palace, Venice | 310 |
| Siena Cathedral, Campanile attached | 311 |
| Orvieto Cathedral, West Façade | 311 |
| Milan Cathedral | 311 |
| Milan Cathedral, Interior | 311 |
| Pazzi Chapel, S. Croce, Florence | 338 |
| Santa Maria Novella, Florence | 338 |
| Strozzi Palace, Florence | 338 |
| Caprarola Palace | 338 |
| Gvimane Palace, Venice | 339 |
| Basilica Vicenza | 339 |
| Doge’s Palace, Venice; Renaissance Portal | 339 |
| S. Maria della Salute, Venice | 339 |
| Riccardi Palace, Florence | 356 |
| Palazzo Vecchio, Florence | 356 |
| Ca d’Oro, Venice | 356 |
| Vendramini Palace, Venice | 356 |
| Farnese Palace, Rome | 356 |
| Court of the Farnese Palace | 356 |
| Capitol Palaces, Rome | 357 |
| Library of S. Mark, Venice | 357 |
| S. Spirito, Florence | 357 |
| S. Andrea, Mantua | 357 |
| S. Peter’s, Rome | 357 |
| Interior of S. Peter’s, Rome | 357 |
| Château de Blois. Gothic part built by Louis XII | 374 |
| Maison François I, Paris | 374 |
| Château de Blois. Part added by Francis I | 374 |
| Château de Chambord | 374 |
| Luxembourg Palace | 375 |
| Plan showing growth of Louvre | 375 |
| Pavilion de l’Horloge, Louvre | 375 |
| Castle of Heidelberg | 390 |
| Another View of the Heinrichsbau | 390 |
| Bremen City Hall | 390 |
| Pellershaus, Nüremburg | 390 |
| Antwerp City Hall | 390 |
| Liège, Court of Palais de Justice | 390 |
| College of Santa Cruz, Valladolid | 391 |
| Court of the Casa de Zaporta | 391 |
| Court of the College of Alcala de Henares | 391 |
| Elevation and Plan of uncompleted Palace Charles V | 391 |
| The Escoriál | 391 |
| Plan of The Escoriál | 391 |
| Wollaton Hall, Nottinghamshire | 410 |
| Banqueting Hall, Whitehall | 410 |
| Haddon Hall, Derbyshire | 410 |
| Haddon Hall; the Long Gallery | 410 |
| S. Paul’s Cathedral, London | 411 |
| S. Mary-le-Bow, Cheapside, London | 411 |
| Old Charlton, Kent | 411 |
| Georgian Chimney piece and overmantel | 411 |
| Christ Church, Philadelphia | 428 |
| Home of the Poet Longfellow, Cambridge, Mass. | 428 |
| Washington’s Home at Mount Vernon | 429 |
| Another Southern Colonial example, Montgomery, Ala. | 429 |
| La Madeleine, Paris | 436 |
| S. George’s Hall, Liverpool | 436 |
| Panthéon, Paris | 436 |
| Arc de l’Etoile, Paris | 436 |
| Opera House, Paris | 436 |
| State House, Boston | 436 |
| Capitol at Washington | 436 |
| City Hall, New York | 437 |
| St. Thomas, New York | 437 |
| Houses of Parliament | 437 |
| Plan of the Houses of Parliament | 437 |
| Scotland Yard | 454 |
| Woodburn Hall, New Windsor, N. Y. | 454 |
| Trinity Church, Boston | 454 |
| County Buildings, Pittsburg | 454 |
| The Breakers, Newport, R. I. | 454 |
| Detail of residence of Mr. Thomas Hastings, Westbury, Long Island | 454 |
| Schiller Theatre Building, Chicago | 455 |
| Woolworth Building | 455 |
| Steel Cage Construction. Scene in lower New York | 455 |
