195;
house of, at Sardis, 53.

Cross-aisles in theatre, 138, 146;
in Greek theatre, 151.

Crown (constellation), 266.

Ctesibius, 8, 198, 273 _f._;
pump of, 297 _f._

Cube, properties of, 130.

Cubit equals six palms or twenty-four fingers, 74.

Cumae, 162.

Cunei in theatre, 146.

Cutiliae, 234.

Cyclades, 214.

Cydnus, 234.

Cymatium, 94, 110;
Doric, 112.

Cypress, 59, 61.

Cyrene, 27, 237, 255.

Daphnis of Miletus, 200.

Darius, 195.

Decorations of walls, 209 _f._

Defence, measures for, 315 _ff._

Delos, problem enjoined upon, by Apollo, 255.

Delphi, Round Building at, 198.

Demetrius of Phalerum, 200.

Demetrius Poliorcetes, 316.

Demetrius (slave of Diana), 200.

Democles, 199.

Democritus, 42, 195, 251, 255, 269;
his study of perspective, 198.

Demophilus, 199.

Denarius, 74.

Dentils, 94, 102, 108.

Departments of architecture, 16 _f._

Diades, 199; inventor of siege machines, 310.

Dials arranged to show hours of varying length, 274 _ff._

Diana, temple of Ionic order, 15, 78;
temple of, at Ephesus, 78, 103, 198, 200, 288 _f._;
at Rome, 80, 124;
at Magnesia, 78, 198;
statue of, 62.

Diatonic mode, 140.

Diastyle temples, 78, 80;
proportions of columns in, 84;
Doric, 113.

[Greek: Diathyra], 188.

Dichalca, 74.

Diesis, 140.

Diminution in top of column, 84, 110.

Dining rooms, proportions of, 179, 181, 186;
Cyzicene, 186;
winter, 209 _f._

Dinocrates, 35 _f._

Diognetus, Rhodian architect, 315 _ff._

Diomede, 21.

Dionysodorus, 273.

Dioptra, 242.

Diphilus, 199.

Dipteral temple, 75, 78.

Displuviate cavaedium, 177.

Dissonant sites of theatres ([Greek: katechountes]), 153.

Dnieper, 231.

Dog (constellation), 268.

Dolphin (constellation), 266.

Don (river), 231.

Doors, of temples, 118 _f._;
of dwellings, 178;
in theatres, 146.

Doorways of temples, proportions of, 117 _ff._

Doric order, 15;
proportions of, 109 _ff._;
doorways, 117;
temples of, 198.

Dorus, 102.

Drachma, 74.

Dyer's weed, 220.

Dyris (river), 231.

Dyrrachium, 235.

Eagle (constellation), 266.

Echea ([Greek: echeia]), 9, 143 _ff._

Echinus, 93, 110, 122.

Economy, 16.

Education of the architect, 5 _ff._, 168 _f._

Egypt, 214, 231, 235, 269.

[Greek: Ekphora], 90.

Elements ([Greek: stoicheia]) and their proportions, 18 _ff._, 225.

Elephantis, 231.

Eleusis, 200.

[Greek: Heli