, 199.

Agger (river), 231.

Agnus castus (tree), 60 _f._, 296.

[Greek: Akrobatikon], 283.

Alabanda, 212;
temple of Apollo at, 78.

Alae, of house, 177;
of temples, 120.

Albula (river), 233.

Alder, 61.

Alexander, 35 _f._, 195, 310.

Alexandria, 36, 196, 197, 218;
length of shadow of gnomon at, 270.

Alexis (poet), 168.

Altars, 125 _f._

Altino, 21.

Aluminous springs, 234.

Amiternum, stone quarries of, 49.

Ammon, 235.

Amphiprostyle, 75.

Amphithalamos, 186.

Amyntas, 310.

Analemma, 257;
its applications, 270 _ff._

Anaphoric dial, 275.

Anaxagoras, 195, 198, 225, 269.

Ancona, 63.

Andreas, 273.

Andromeda (constellation), 266.

Andron of Ephesus, 70.

Andrones, 187.

Andronicus of Cyrrhus, 26.

Antae, 114, 120, 186;
temple in antis, 75.

Antiborean (sun dial), 273.

Antimachides, 199.

Antiochus, 199.

Antipater, 238, 269.

Antistates, 199.

Apaturius, 212.

Apelles, 11.

Apollo, 69, 102, 103, 196;
Panionion, 103, 255;
colossal statue of, 289;
temple of, at Alabanda, 78;
at Miletus, 200; at Rome, 80;
site of temple of, 80.

Apollonia, 235; siege of, 317 _f._

Apollonius, 273.

Apollonius of Perga, 12.

Aqueducts, 244 _ff._;
Marcian, 232.

Aquileia, 21.

Arabia, 235, 237.

Arachne (sun dial), 273.

Aradus, 315.

Araeostyle temples, 78, 80;
proportions of columns in, 84.

Aratus, 269.

Arcadia, 238.

Arcesius, 109, 198.

Arched substructures, 190.

Archer (constellation), 266.

Archimedes, 8, 12, 199, 243;
detects a theft of gold by a contractor, 253 _f._

Archinapolus (astrologer), 269.

Architecture, fundamental principles of, 13 _ff._;
departments of, 16 _ff._

Architrave, 94, 288.

Archytas of Tarentum, 12, 199, 255.

Arcturus (star), 266.

Ardea, 233.

Arevanias, 54.

Arezzo, ancient wall of brick at, 53.

Argo (constellation), 268.

Argolis, precinct of Juno at, 102.

Argos, 54.

Ariobarzanes, 154.

Aristarchus, 11.

----of Samos, 12, 263, 273.

Aristides, 241.

Aristippus, shipwreck of, 167.

Aristomenes of Thasos, 70.

Aristophanes, 168; grammaticus, 196.

Aristotle, 195, 251.

Aristoxenus, 11, 140, 145.

Armenian blue, 213, 217.

[Greek: Harpedonai] (star group), 268.

Arrow (constellation), 266.

Arsenal, naval, at Peiraeus, 198.

Arsinoe, 103.

Artemisia, 55 _f._

Artemon ([Greek: Epagon]), 287.

Asphalt, 235;
asphaltic springs, 234;