Art Schools, 34. Ashland Avenue, 117. _Atlantic Monthly Magazine_, quoted, 19. Athens, works of Pericles in, 11; characteristics of architecture in, 11; the Acropolis, 117. Athletic Field, proposed location on the lake front, 116. Aurora, 40. Austria, finds new strength in union with Hungary, 19. Automobiles, damage to roads by, 39; promote suburban life, 42, 46. Avenue, the, character of, 82; division of traffic on, 84; use of the ellipse in, 90. B Babylon, the greatest commercial city of ancient times, 10; description of, 10. Baltic, the, yachtmen of, 52. Baltimore, improvements in, 28. Baguio, summer capital of the Philippines, plan for, 29. Batavia, 40. Baths, in Rome, accommodations of, 13. Baumeister, German city-builder, 21, (note). Baxter, Sylvester, secretary of Metropolitan Improvement Commission, Boston, 20. Beauty, Greek passion for, 11; commercial advantages of, 110. Berlin, rapid growth of, 1; physical conditions in, 14; parks of, 49, 80; building restrictions in, 107. Bill-boards, 41, 131, 140. Blue Island, 40, 41. Board of Local Improvements, powers of, 133. Boating facilities, need of increased, 115. Bois de Boulogne, 48. Bois de Vincennes, 48. Bond issues for improvements, 151. Boston, defenses of, 9; cost of park system, 27; metropolitan sewage and park commissions, 38; extension of streets, 38; extent of park system, 49; apartment houses in, 88; improvements in Back Bay district, 108, 110. Boulevard, character of, 82. Boulevards of Chicago, 84, 93, 120. British Museum, 110. Brown, Glenn, Secretary American Institute of Architects, 21, (note). Brussels, boulevards in, 20, 90. Budapest, commercial progress of, 19; treatment of the Danube in, 116. Buildings, regulation of the height of, 141. Building lines, 127. Burnham, Daniel H., 6 (note); plan for San Francisco, 28. Burns, John, town-planning scheme of, 22, 128. Bushy Park, London, 48. C