9 J.-I. Hittorff: project for country 47 house for Comte de W., 1830, elevation (from Normand, _Paris moderne_, I, plate 71) 10 John Nash: London, Regent Street and 65 Regent’s Park, 1812-27, plan (from Summerson, _John Nash_) 11 John Haviland: Philadelphia, Eastern 79 Penitentiary, 1823-35, plan (from Crawford, _Report_, plate 1) 12 Thomas Jefferson: Charlottesville, Va., 83 University of Virginia, 1817-26, plan (from Kimball, _Thomas Jefferson_) 13 Isaiah Rogers: Boston, Tremont House, 87 1828-9, plan (from Eliot, _A Description of the Tremont House_) 14 H.-P.-F. Labrouste: Paris, Bibliothèque 125 Sainte-Geneviève, (1839), 1843-50, section (from _Allgemeine Bauzeitung_, 1851, plate 386) 15 J.-L.-C. Garnier: Paris, Opéra, 1863-74, 139 plan (from Garnier, _Nouvel opéra_, I, plate 9) 16 Vilhelm Petersen and Ferdinand Jensen: 156 Copenhagen, Søtorvet, 1873-6, elevation (Kunstakademiets Bibliotek, Copenhagen) 17 Antoni Gaudí: project for Palau Güell, 203 Barcelona, 1885, elevation (from Ráfols, _Gaudí_, p. 54) 18 W. Eden Nesfield: Kew Gardens, Lodge, 208 1867, elevation (Courtesy of Victoria and Albert Museum) 19 R. Norman Shaw: Leyswood, Sussex, 1868, 210 plan (from Muthesius, _Das Englische Haus_, I, figure 81) 20 D. H. Burnham and F. L. Olmsted: 231 Chicago, World’s Fair, 1893, plan (from Edgell, _American Architecture of Today_, figure 36) 21 T. F. Hunt: house-plan, 1827 (from Hunt, 255 _Designs for Parsonage Houses_, plate IV) 22 A. J. Downing: house-plan, 1842 (from 258 Downing, _Cottage Residences_, figure 50) 23 Philip Webb: Arisaig, Inverness-shire, 260 1863, plan (Courtesy of J. Brandon-Jones) 24 Nesfield & Shaw: Cloverley Hall, 261 Shropshire, 1865-8, plan (from _Architectural Review_, 1 (1897), p. 244) 25 Philip Webb: Barnet, Hertfordshire, 262 Trevor Hall, 1868-70, plan (Courtesy of Victoria and Albert Museum)