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(Bibl. Graec. vol. iii. p. 264, note.) [L. S.]
EUSTRATIUS (Evo-rp&nos), one of the latest commentators on Aristotle, lived about the beginning of the twelfth century after Christ, under the emperor Alexius Comnenus, as metropolitan of Nicaea. According to a hint in the Commentary to the tenth book of the Ethica Nicomachea (if this part of the Commentary is composed by him), he appears to have also lived at Constantinople, and to have written his commentary in this place. (Comp. ad Arist. Eili. Nic. x. 9. § 13, p. 472, ed. Zell.) Of his life we know nothing else. Of his writings only two are extant, and these in a very fragmentary state: viz. 1. A Commentary to the second book of the Analytica, published by Aldus Manutius, Venice, 1534, and translated into Latin J by A. Gratarolus. (Venice, 1542, 1568,, fol.)
wcpl jSfou (sic) tov 'Pwjuaiov. He supposes that the title ought to be read 'TTrJjiu/rjjua irepl fiiov EtiffToBiov tov 'Pw/xatov.
In the last-cited passage, the Scholium gives an extract from the Praclica, and mentions Patricius ;as the author. Eustathius is here to be understood, and not, as Heimbach and Fabricius supposed, the .earlier Patricius Heros. The IIe?pa, or Practica, of Eustathius is cited in the Scholia, Basil, vii. p. 516. 676-7. The Practica is a work written not by Eustathius himself, but by some judge or assessor of the judgment-seat. It consists of 75 titles, , under which are contained extracts from proceedings in causes tried at Constantinople, and determined by various judges, especially by Eustathius , Romanus. Most of these causes were heard in the Hippodromus, a name of a court paralleled by our English Cockpit. The IIe?pa (which appears better to deserve publication than some of those remains of Graeco-Roman Jurisprudence which have been lately .given to the world by Heimbach and Zachariae) exists in manuscript in the Medicean Library at .Florence (Cod. Laurent. Ixxx. fol. 478, &c.), with .the title BijSAfof, oirep irapct (JLev tivuv IIe?pa, Trapa 8^ tivuv AtSaff/caAta c/c ToSv .tov pGyd\ov Kvpov EvffTadiov tov 'Paytaiov. (Zachariae, Hist. Jur. Gr. Rom. Delin. § 41.)
Another unpublished work of Eustathius is his treatise Uepl 'TTro/SoAoi;, which is in manuscript at Paris. The meaning of the word vwo$6\ov has been a subject of much dispute. (Du Cange, Gloss. Med. et Inf. Graec. s. v.) It seems ordinarily to mean that to which the wife is entitled by agreement or particular custom upon the death of her husband, over and above the dowry she brought him. 2. To Eustathius Romanus has been falsely ascribed a work concerning prescription and the legal effect of periods of time from a moment to a hundred years. This work was published with a Latin version by Schardius (Basil. 1561), and immediately .afterwards in Greek only by Cujas, along with his own treatise on the same subject. It has since been often reprinted under various names. It may be found in the collection of Leunclavius (ii. p. 297) with the title De Temporum Intervallis, with Scholia of Athanasius and others. The last edition is that by Zachariae. (At 'PoTrof, oder die ScJirift uber die Zeitabschnitte9 8vo. Heid. 1836.) The work is commonly attributed to Eustathius, Antecessor Constantinopolitanus. If this inscription be correct, the Professor must have been of earlier date than Eustathins Romanus-, for the treatise De Temporum Intervallis appears to have been originally
compiled in the seventh century. The edition of Schardius gives the work nearly in its original form; Cujas, Leunclavius, and Zachariae present us with a second edition of the same work as revised about the eleventh century by some editor, who hag added scholia of his own, and introduced references to the Basilica. (Biener, Gesch. der Novellen^. 124.)
Nessel (cited by Sammet. Diss. de Hypobolo in Meerm. Thes. Suppl. p. 382) attributes, not to Eustathius Romanus, but to the earlier professor Eustathius, a synopsis of juridical actions, entitled At eryctryal ei/ owdtj/ei, which is found appended in manuscript to the Procheiron auctum. (Zachariae, Hist. Jur. Gr. Rom. Delin. § 48 ; Heimbach, de Basil. Ong. p. 144.)
BUSTATHJUS (EiW&os), a Greek physician in the latter half of the fourth century after Christ, to whom two of the letters of St. Basil are addressed. a.d. 373, 374. (vol. iii. Epist. 151,189, ed. Bened.) In some MSS. he is called by the title " Archiater." The second of these letters is by some persons at tributed to St. Gregory of Nyssa, and is accord ingly printed in the third volume of his works, p. 6, &c., ed. Bened. [W. A. G.]
EUSTHENIUS, CLAUDIUS, secretary (ob cpistolis) to Diocletian, wrote the lives of Diocle tian, Maximianus Herculius, Galerius and Con- stantius, assigning to each a separate book. (Vopisc. Carin. 18.) [W. R.]
EUSTOCHIUS (EvffT6Xtos)9 a Cappadocian sophist of the time of the emperor Constans. He wrote a history of the life of that emperor and a work on the antiquities of Cappadocia and other countries. (Suid. s. v. Evo'Td'x'os; Steph. Byz. s. v.
EUSTOCHIUS (Erfo-To'xws), a physician of Alexandria, who became acquainted with the phi losopher Plotinus late in life, and attended him in his last illness, A. d. 270. He arranged the works of Plotinus. (Porphyr., Vita Plot, in Plot. Opera, vol. i. p. 1. li. Ivii. ed. Oxon.) [ W. A. G.]
EUSTRATIUS (Evo-rpeh-ios), a presbyter of the Greek church at Constantinople, is the author of a work on the Condition of the Human Soul after Death, which is still extant. Respecting his life and the time at which he lived, nothing is known, except what can be gathered from the work itself. It is directed against those who maintained that the souls ceased to act and operate as soon as they quitted the human body. Photius (Bibl. Cod. 171) knew the work, and made some extracts from it, which is a proof that Eustratius must have lived before Photius. Further, as Eustratius repeatedly mentions the works of Dionysius Areiopagita, he must have lived after the publication of those works, which appear to have been circulated about a. d. 500. It is therefore very probable that Eustratius lived at the time of Eutychius, patriarch of Constantinople, that is, about a. d. 560, as in fact Eustratius himself says in almost as many words. His work was first edited by L. Allatius in his de Occidentalium atque Orientalium perpetua in Dogmate Purgaiorii consensione, Rom. 1655, 8vo., pp. 319—581. The style of Eustratius, as Photius remarks, is clear, though very different from classic Greek, and his arguments are generally sound. (Fabric. Bibl. Graec. vol. x. p. 725 ; Cave, Hist* Lit. vol. i. p. 416.) Some other persons of the name of Eustratius are enumerated by Fabricius.