Diaper patterns in brick, [i. 296]; in color, [iii. 21], [22].
Discord, how symbolized, [ii. 333].
Discs, decoration by means of, [i. 240], [416]; [ii. 147], [264].
Division of labor, evils of, [ii. 165].
Doge of Venice, his power, [i. 3], [360].
Dogtooth moulding defined, [i. 269].
Dolphins, moral disposition of, [i. 230]; use of, in symbolic representation of sea, [i. 422], [423].
Domestic architecture, richness of, in middle ages, [ii. 99].
Doors, general structure of, [i. 174], [176]; smallness of in English cathedrals, [i. 176]; ancient Venetian, [ii. 277], [iii. 227].