=Abayi Nachmani= (280-338), Babylonian Amora, =2=, 560. disciple of Rabba bar Nachmani, =2=, 575, 580, 583. principal of the Pumbeditha Academy, =2=, 583. youth of, =2=, 583-4. integrity of, =2=, 584. decrease of students under, =2=, 584-5. dialectics of, =2=, 585. death of, =2=, 585. rebukes Raba bar Joseph, =2=, 586. =Abba of Accho=, ordination of, =2=, 540. modesty of, =2=, 541. =Abba bar Abba=, Amora, father of Mar-Samuel, =2=, 511. =Abba-Areka= (Rab), Amora, authorized to teach in Babylon, =2=, 454, 479, 511. adds supplements to the Mishna, =2=, 470. opposed to the purchase of oil from heathens, =2=, 484. reception of, in Babylonia, =2=, 512. made Agora-nomos, =2=, 512. introduces excommunication into Babylonia, =2=, 517. compared with Hillel, =2=, 517. wife of, =2=, 517. modesty of, =2=, 517-18. descendants of, =2=, 518, 544. opposes Persian innovations, =2=, 521. yields to Magian demands, =2=, 526. influence of, on Jewish Babylonia, =2=, 544. =Abba-Mari ben Isaac=, sheriff of St. Gilles, =3=, 399. =Abba-Mari ben Moses= (Don Astruc En-Duran), follower of Nachmanides, =4=, 27-8. appeals to Ben Adret, =4=, 28, 29. fails to win Jacob ben Machir’s aid, =4=, 31. aggressive anti-Maimunist, =4=, 32. adherents of, =4=, 33-4. secures the support of Asheri, =4=, 38. draws up the ban against the study of science, =4=, 38, 39. opposed by the Tibbonides, =4=, 41-2. in Perpignan, =4=, 50. =Abba Saul=, a Tanaite, =2=, 330. =Abbadides=, the, in Seville, =3=, 315. =Abbahu=, a Palestinian Amora, =2=, 531. and the observance of the Law in Samaria, =2=, 534. secular culture of, =2=, 537-8. education of the daughter of, =2=, 537. and Diocletian, =2=, 538. Hebrew style of, =2=, 538. attacks Christian dogmas, =2=, 539-40. modesty and generosity of, =2=, 540-1. on the Greek theatre, =2=, 542. makes Cæsarea an academic city, =2=, 543. sons of, =2=, 543. =Abbasside Caliphate= (Caliphate of the East, Bagdad Caliphate), the, weakness of, in the twelfth century, =3=, 431. conquered by Hulagu, =3=, 606. =Abbasside Caliphate, the, the Jews of=, in the ninth century, =3=, 145-6, 176-80. under Al-Mutadhid, =3=, 183. in the twelfth century, =3=, 428-33. =Abbassides=, the, opponents of the Ommiyyades, =3=, 125. =Ab-beth-din=, president of the Council of Seventy, =1=, 395. deputy of the president of the Synhedrion, =2=, 360, 404. office of, ceases, =2=, 453. =Abdallah Ibn-Allah=, vizir, prevents the forced conversion of Jews to Islam, =3=, 312. =Abdallah Ibn-Hakam=, murders the king of Saragossa, =3=, 266. =Abdallah Ibn-Sabâ=, partisan of Ali, =3=, 90. =Abdallah Ibn-Salâm=, Jewish disciple of Mahomet, =3=, 73.