He built, on the other side of the river, on the banks of an arm of theEuphrates which there borders the city, a hospital consisting of blocks of houses and hospices for the sick poor who come to be healed[126]. Here there are about sixty physicians' stores which are provided from the Caliph's house with drugs and whatever else may be required. Every sick man who comes is maintained at the Caliph's expense and is medically treated. Here is a building which is called Dar-al-Maristan, where they keep charge of the demented people who have become insane in the towns through the great heat in the summer, and they chain each of them in iron chains until their reason becomes restored to them in the winter-time. Whilst they abide there, they are provided with food from the house of the Caliph, and when their reason is restored they are dismissed and each one of them goes to his house and his home. Money is given to those that have stayed in the hospices on their return to their homes. Every month the officers of the Caliph inquire and investigate whether they have regained their reason, in which case they are discharged. All this the Caliph does out of charity to those that come to the city of Bagdad, whether they be sick or insane. The Caliph is a righteous man, and all his actions are for good.
In Bagdad there are about 40,000 Jews[127], and they dwell in security, prosperity and honour under the great Caliph, and amongst them are great sages, the heads of Academies engaged in the study of the law. In this city there are ten Academies. At the head of the great Academy is the chief rabbi R. Samuel, the son of Eli. He is the head of the Academy Gaon Jacob. He is a Levite, and traces his pedigree back to Moses our teacher. The head of the second Academy is R. Hanania his brother, warden of the Levites; R. Daniel is the head of the third Academy; R. Elazar the scholar is the head of the fourth Academy; and R. Elazar, the son of Zemach, is the head of the order, and his pedigree reaches to Samuel the prophet, the Korahite. He and his brethren know how to chant the melodies as did the singers at the time when the Temple was standing. He is head of the fifth Academy. R. Hisdai, the glory of the scholars, is head of the sixth Academy. R. Haggai is head of the seventh Academy. R. Ezra is the head of the eighth Academy. R. Abraham, who is called Abu Tahir, is the head of the ninth Academy. R. Zakkai, the son of Bostanai the Nasi, is the head of the Sium[128]. These are the ten Batlanim[129], and they do not engage in any other work than communal administration; and all the days of the week they judge the Jews their countrymen, except on the second day of the week, when they all appear before the chief rabbi Samuel, the head of the Yeshiba Gaon (Jacob), who in conjunction with the other Batlanim judges all those that appear before him. And at the head of them all is Daniel the son of Hisdai, who is styled "Our Lord the Head of the Captivity of all Israel." He possesses a book of pedigrees going back as far as David, King of Israel. The Jews call him "Our Lord, Head of the Captivity," and the Mohammedans call him "Saidna ben Daoud," and he has been invested with authority over all the congregations of Israel at the hands of the Emir al Muminin, the Lord of Islam[130].
For thus Mohammed commanded concerning him and his descendants; and he granted him a seal of office over all the congregations that dwell under his rule, and ordered that every one, whether Mohammedan or Jew, or belonging to any other nation in his dominion, should rise up before him (the Exilarch) and salute him, and that any one who should refuse to rise up should receive one hundred stripes[131].
And every fifth day when he goes to pay a visit to the great Caliph, horsemen, Gentiles as well as Jews, escort him, and heralds proclaim in advance, "Make way before our Lord, the son of David, as is due unto him," the Arabic words being "Amilu tarik la Saidna ben Daud." He is mounted on a horse, and is attired in robes of silk and embroidery with a large turban on his head, and from the turban is suspended a long white cloth adorned with a chain upon which the cipher of Mohammed is engraved. Then he appears before the Caliph and kisses his hand, and the Caliph rises and places him on a throne which Mohammed had ordered to be made for him, and all the Mohammedan princes who attend the court of the Caliph rise up before him. And the Head of the Captivity is seated on his throne opposite to the Caliph, in compliance with the command of Mohammed to give effect to what is written in the law—"The sceptre shall not depart from Judah nor a law-giver from between his feet, until he come to Shiloh: and to him shall the gathering of the people be." The authority of the Head of the Captivity extends over all the communities of Shinar, Persia, Khurasan and Sheba which is El-Yemen, and Diyar Kalach (Bekr) and the land of Aram Naharaim (Mesopotamia), and over the dwellers in the mountains of Ararat and the land of the Alans[132], which is a land surrounded by mountains and has no outlet except by the iron gates which Alexander made, but which were afterwards broken. Here are the people called Alani. His authority extends also over the land of Siberia, and the communities in the land of the Togarmim unto the mountains of Asveh and the land of Gurgan, the inhabitants of which are called Gurganim who dwell by the river Gihon[133], and these are the Girgashites who follow the Christian religion. Further it extends to the gates of Samarkand, the land of Tibet, and the land of India. In respect of all these countries the Head of the Captivity gives the communities power to appoint Rabbis and Ministers who come unto him to be consecrated and to receive his authority. They bring him offerings and gifts from the ends of the earth. He owns hospices, gardens and plantations in Babylon, and much land inherited from his fathers, and no one can take his possessions from him by force. He has a fixed weekly revenue arising from the hospices of the Jews, the markets and the merchants, apart from that which is brought to him from far-off lands. The man is very rich, and wise in the Scriptures as well as in the Talmud, and many Israelites dine at his table every day.
At his installation, the Head of the Captivity gives much money to the Caliph, to the Princes and the Ministers. On the day that the Caliph performs the ceremony of investing him with authority, he rides in the second of the royal equipages, and is escorted from the palace of the Caliph to his own house with timbrels and fifes. The Exilarch appoints the Chiefs of the Academies by placing his hand upon their heads, thus installing them in their office[134]. The Jews of the city are learned men and very rich.