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 useful summary of medicine, entitled "Kitab el Meya"; and the Arab historian Ossaibiah speaks in terms of admiration of another treatise which he wrote and which bears the title, "Exposition of God's wisdom as Manifested in the Creation of Man."

Abou Soleiman Essedjestany, commonly called "El Mantaky." The dates of his birth and death are not known. He wrote a number of treatises, and—among others—one on "The Organization of the Human Faculties."

Aboul Hassan Ahmed Etthabary, a native of Thabaristan, in the Province of Khorassan. He was employed as a physician by the Emir Rokn eddoula ben Bouïh, and is known as the author of a compendium of medicine entitled: "Hippocratic Methods of Treatment." He died in 970 A. D.

El Comry was one of the most eminent medical practitioners of his time, and was in high favor with the royal household. He wrote a compendium of medicine which bears the title "R'any ou Many," and he was also the author of a treatise on the causes of disease. His death occurred toward the end of the tenth century of the Christian era.

Alfaraby, who is highly commended by Avicenna, should be classed among the philosophers rather than among the physicians. He died in 950 A. D.

The sixth Persian physician of some distinction mentioned by Le Clerc is Ali ben el Abbas—usually spoken of as Haly Abbas. The dates of his birth and death are not stated by any of the authorities, but it is known that he was a native of Ahouaz, a small town on the Karun river, to the southeast of Bagdad, and that he was still living in 994 A. D. Haly Abbas, it is claimed, was the first medical writer who ventured to prepare a complete and systematically arranged Practice of Medicine. He gave it the title of Al-Maleky—"The Royal Book,"—and dedicated it to the Emir Adhad-ad-Daula, whose private physician he was. It is a much smaller treatise than the "Continens" of Rhazes, and somewhat more complete than the same