adan conquest, 5, 108, 109
Agapetus (Agapitus), Pope, 15, 38
Agatho, Pope, 88
Agde, 146
Agilulf, Lombard king, 62, 134
Agnellus, archbishop of Ravenna, 33
Agriculture, cared for by the Benedictines, 36; by Gregory
the Great, 65
Aidan, S., 116
Airulf, Lombard king, 68
Aistulf, Lombard king, 148, 149
_Akoimetai_, 8, 14, 161
_Aktistetes_, 86
Alamanni, 42, 135
Alans, Mongol barbarians, in Gaul, 41
Albagrians of the Caucasus, converted, 95
Albinus, abbat of Canterbury (d. 732), 169
Alcuin, 81, 116, 141, 152, 167-70
Aldhelm, S., of Malmesbury, 115, 171
Alexandria, Church and Patriarchate of, 8, 10, 16, 17, 24,
64, 65, 84, 87, 110; Eucharist, 179; conquered by the Arabs, 109
Alfred the Great, king of England, 32, 118
Alodaei, Soudanese people, converted, 111
Althing, Icelandic assembly, 132
Amalric, Wisigothic king in Spain, 74
_Ambo_ (pulpit), 188
Ambrosian Rite (so called from S. Ambrose, bishop of Milan,
374-97), 183
Amoeneburg (Hessen), monastery, 136
Anastasius, emperor, 7, 9, 47
Anastasius, patriarch of Antioch, 63
Anastasius, patriarch of Constantinople, (703-53), 155, 157
Anastasius of Sinai, S., 180.
Andover, 121
Angarii, tribe allied with the Saxons, 140
Annegray, S. Columban's settlement at, 55
Anselm, S., archbishop of Canterbury (died 1109), 160, 171
Ansgar, S., archbishop of Hamburg, 129-30
Anthimus, patriarch of Constantinople, 15
Antioch, Church and Patriarchate of, 8, 10, 16, 17, 23, 24,
84, 87, 156; Eucharist, 179; synod at (541 or 542), 16
_Antirrhetici_ of S. Theodore the Studite, 164
_Antistes_ (bishop), 66
Antony, archbishop of Novgorod (c. 1200), 161
_Aphthartodocetes_, 21, 85
_Apocrisiarius_, papal envoy at Constantinople, 63
Aquilea, patriarch of, 21, 39
Aquitaine, 49
Arabia, conquered by Muhammad, 101; Arabian Christians in
Persia, 110; Christianity in S. Arabia, 111
Arabs. _See_ Muhammadans.
Architecture, Byzantine, 25-8, 100, 106
Arcona (Isle of Ruegen), heathen temple at, 127
Arianism, extinct in the East, 9; of the Goths in Italy, 29, 30,
60; its suppression a political necessity, 33; the Frankish
struggle against, 47-8; of the Vandals in Africa, 103-5; of
the Lombards, 56, 61; in Spain, 73, 74, 75
Arles, 46, 49, 50, 146
Armagh, monastery, 53
Armenia, 3; Church of, 13, 84, 85, 95, 156; Monophysite, 23,
110; Adoptianiats in, 79; Paulicians