Gudrun Vuillemin-Diem (†) was research fellow at the Thomas-Institut, Universität Köln. Carlos Steel is emeritus professor of ancient and medieval philosophy at KU Leuven and director of the “Aristoteles Latinus” project. Pieter De Leemans is professor at the De Wulf-Mansion Centre for Ancient, Medieval, and Renaissance Philosophy (KU Leuven) and academic secretary of the Aristotles Latinus. - Hoger Instituut van Wijsbegeerte, KU Leuven

• Introduction Chapter I: Manuscript Tradition of the Translation 1. Oxford, Bodleian Library, Digby 179, ff. 171r-208v (Ox) 2. Venezia, Bibl. Marciana, lat. XIV, 242 (= 4295), ff. 1r-12v (Ve) 3. The relation of the two manuscripts Chapter II: William of Moerbeke Translator of the Ludiciala 1. Attribution of the translation to William of Moerbeke 1.1. External arguments 1.2. Internal arguments: an analysis of the translation method 1.2.1. Particles, conjunctions, prepositions, adverbs 1.2.2. Vocabulary 1.2.3. Syntax 1.3. Special character of the translation 1.4. When was the translation made? 2. Moerbeke: a translator with an interest in science 2.1. Astrological terms 2.2. Medical terms 2.3. Translation of hapax legomena and rare terms 2.4. Quandoque bonus dormitat Homerus 3. Moerbeke and Plato of Tivoli Conclusion Chapter III: The Reception of Moerbeke's Translation 1. Henricus Bate 2. Agostino Nifo Chapter IV: The Greek Text and the Translation A. The tradition of the Greek text 1. The Vaticanus graecus 1038 and related manuscripts 2. The tradition besides V 2.1. Class βγ 2.2. Class α 2.3. Bipartition of the text tradition 3. The indirect tradition B. The Greek model of Moerbeke’s translation 1. Principal characteristic of G: a representative of branch ψ 1.1. G agrees with V (L) alone against variants of all other witnesses 1.2. G is dependent neither from V nor L 1.3. Bipartition of the tradition: G with V (L) alone against common readings of α βγ 60 2. G with other witnesses against V (L) 2.1. Relations of G with readings of (Σ) βγ against V Y (or V α) 2.2. G: relations with α 3. G different from the whole tradition 3.1. Two important cases 3.2. G agrees with coniectures of Hübner 3.3. Glosses in G 3.4. The omission of Ptolemy’s table of termsConclusionAddendumChapter V: The Contribution of Moerbeke’s Translation to the Edition of the Greek Text 1. Book I 2. Book II 3. Book III 4. Book IV Appendix I: The Astrological Note Translated by Moerbeke Appendix II: The Conclusion of the Apotelesmatica Editorial Principles 1. Text 2. Latin apparatus 3. Greek-Latin comparative apparatus Bibliography Claudii Ptolemaei Liber Ludicialium translatio Guillelmi de Morbeka Conspectus siglorum LIBER I Cap. primum: Prohemium Cap. 2m: Quod pronosticatio per astronomiam sit possibilis et usque ad quid Cap. 3m: Quod etiam sit proficua Cap. 4m: De uirtute errantium astrorum Cap. 5m: De beneficis et maleficis Cap. 6m: De masculinis et femininis Cap. 7m: De diurnis et nocturnis Cap. 8m: De uirtute configurationum ad solem Cap. 9m: De stellarum fixarum uirtute Cap. 10m: De temporibus anni Cap. 11m: De uirtute angulorum Cap. 12m: De tropicis et equinoctialibus et fixis et bicorporeis signis Cap. 13m: De masculinis et femininis signis Cap. 14m: De signis duodecim que ad inuicem configurantur Cap. 15m: De imperantibus et obedientibus similiter signis Cap. 16m: De aspicientibus et equipotentibus inuicem signis Cap. 17m: De inconnexis Cap. 18m: De domibus uniuscuiusque planete Cap. 19m: De triplicitatibus Cap. 20m: De exaltationibus Cap. 21m: De terminorum dispositione Cap. 22m: De locis et partibus uniuscuiusque Cap. 23m: De faciebus et claritatibus et talibus Cap. 24m: De coniunctionibus et refluxionibus et aliis uirtutibus LIBER II Cap. primum: Diuisio totius intentionis Cap. 2m: De proprietatibus secundum omnia climata Cap. 3m: De conuenientia regionum ad trigonalitates et ad stellas Cap. 4m: Expositio regionum que referuntur ad unumquodque signorum Cap. 5m: Accessus in particulares effectus eclipsium Cap. 6m: De consideratione dispositarum regionum Cap. 7m: De tempore effectuum Cap. 8m: De genere [autem] dispositorum Cap. 9m: De qualitate ipsius effectus Cap. 10m: De coloribus eclipsium et cometarum et talium Cap. 11m: De innouatione anni Cap. 12m: De particulari animalium natura ad consistentias Cap. 13m: De particulari consideratione consistentiarum Cap. 14m: De ea que ex metheoris significatione LIBER III Cap. primum: Prohemium Cap. 2m: De seminatione et partu Cap. 3m: De gradu horoscopi Cap. 4m [3]: Quomodo oportet accipere horoscopum Cap. 5m [4]: Diuisio geneatici sermonis Cap. 6m [5]: De parentibus Cap. 7m [6]: De fratribus Cap. 8m [7]: De masculinis et femininis Cap. 9m [8]: De gemellis Cap. 10m [9]: De monstris Cap. 11m [10]: De non cibatis Cap. 12m [11]: De annis uite Cap. 13m [12]: De forma et complexione corporali Cap. 14m [13]: De lesura et passionibus Cap. 15m [14]: De qualitate anime Cap. 16m [15]: De passionibus animalibus LIBER IV Cap. primum: Prohemium Cap. 2m: De fortuna possessoria Cap. 3m: De fortuna dignitatiua Cap. 4m: De qualitate operationis Cap. 5m: De coniugiis Cap. 6m: De natis Cap. 7m: De amicis et inimicis Cap. 8m: De peregrinatione Cap. 9m: De qualitate mortis Cap. 10m: De temporum diuisione I. Index graeco-latinus II. Index latino-graecus III. Supplementum latinum

"In conclusion, the volume is not only a landmark in Ptolemaic studies, but Chapter V and the apparatus to William’s translation also make it an indispensable companion for readers of the Greek Tetrabiblos."Levente László, Journal for the History of Astronomy, Volume 50 Issue 2, May 2019, https://doi.org/10.1177/0021828619840510

Gudrun Vuillemin-Diem (†) was research fellow at the Thomas-Institut, Universität Köln. Carlos Steel is emeritus professor of ancient and medieval philosophy at KU Leuven and director of the “Aristoteles Latinus” project. Pieter De Leemans is professor at the De Wulf-Mansion Centre for Ancient, Medieval, and Renaissance Philosophy (KU Leuven) and academic secretary of the Aristotles Latinus. - Hoger Instituut van Wijsbegeerte, KU Leuven

• Introduction Chapter I: Manuscript Tradition of the Translation 1. Oxford, Bodleian Library, Digby 179, ff. 171r-208v (Ox) 2. Venezia, Bibl. Marciana, lat. XIV, 242 (= 4295), ff. 1r-12v (Ve) 3. The relation of the two manuscripts Chapter II: William of Moerbeke Translator of the Ludiciala 1. Attribution of the translation to William of Moerbeke 1.1. External arguments 1.2. Internal arguments: an analysis of the translation method 1.2.1. Particles, conjunctions, prepositions, adverbs 1.2.2. Vocabulary 1.2.3. Syntax 1.3. Special character of the translation 1.4. When was the translation made? 2. Moerbeke: a translator with an interest in science 2.1. Astrological terms 2.2. Medical terms 2.3. Translation of hapax legomena and rare terms 2.4. Quandoque bonus dormitat Homerus 3. Moerbeke and Plato of Tivoli Conclusion Chapter III: The Reception of Moerbeke's Translation 1. Henricus Bate 2. Agostino Nifo Chapter IV: The Greek Text and the Translation A. The tradition of the Greek text 1. The Vaticanus graecus 1038 and related manuscripts 2. The tradition besides V 2.1. Class βγ 2.2. Class α 2.3. Bipartition of the text tradition 3. The indirect tradition B. The Greek model of Moerbeke’s translation 1. Principal characteristic of G: a representative of branch ψ 1.1. G agrees with V (L) alone against variants of all other witnesses 1.2. G is dependent neither from V nor L 1.3. Bipartition of the tradition: G with V (L) alone against common readings of α βγ 60 2. G with other witnesses against V (L) 2.1. Relations of G with readings of (Σ) βγ against V Y (or V α) 2.2. G: relations with α 3. G different from the whole tradition 3.1. Two important cases 3.2. G agrees with coniectures of Hübner 3.3. Glosses in G 3.4. The omission of Ptolemy’s table of termsConclusionAddendumChapter V: The Contribution of Moerbeke’s Translation to the Edition of the Greek Text 1. Book I 2. Book II 3. Book III 4. Book IV Appendix I: The Astrological Note Translated by Moerbeke Appendix II: The Conclusion of the Apotelesmatica Editorial Principles 1. Text 2. Latin apparatus 3. Greek-Latin comparative apparatus Bibliography Claudii Ptolemaei Liber Ludicialium translatio Guillelmi de Morbeka Conspectus siglorum LIBER I Cap. primum: Prohemium Cap. 2m: Quod pronosticatio per astronomiam sit possibilis et usque ad quid Cap. 3m: Quod etiam sit proficua Cap. 4m: De uirtute errantium astrorum Cap. 5m: De beneficis et maleficis Cap. 6m: De masculinis et femininis Cap. 7m: De diurnis et nocturnis Cap. 8m: De uirtute configurationum ad solem Cap. 9m: De stellarum fixarum uirtute Cap. 10m: De temporibus anni Cap. 11m: De uirtute angulorum Cap. 12m: De tropicis et equinoctialibus et fixis et bicorporeis signis Cap. 13m: De masculinis et femininis signis Cap. 14m: De signis duodecim que ad inuicem configurantur Cap. 15m: De imperantibus et obedientibus similiter signis Cap. 16m: De aspicientibus et equipotentibus inuicem signis Cap. 17m: De inconnexis Cap. 18m: De domibus uniuscuiusque planete Cap. 19m: De triplicitatibus Cap. 20m: De exaltationibus Cap. 21m: De terminorum dispositione Cap. 22m: De locis et partibus uniuscuiusque Cap. 23m: De faciebus et claritatibus et talibus Cap. 24m: De coniunctionibus et refluxionibus et aliis uirtutibus LIBER II Cap. primum: Diuisio totius intentionis Cap. 2m: De proprietatibus secundum omnia climata Cap. 3m: De conuenientia regionum ad trigonalitates et ad stellas Cap. 4m: Expositio regionum que referuntur ad unumquodque signorum Cap. 5m: Accessus in particulares effectus eclipsium Cap. 6m: De consideratione dispositarum regionum Cap. 7m: De tempore effectuum Cap. 8m: De genere [autem] dispositorum Cap. 9m: De qualitate ipsius effectus Cap. 10m: De coloribus eclipsium et cometarum et talium Cap. 11m: De innouatione anni Cap. 12m: De particulari animalium natura ad consistentias Cap. 13m: De particulari consideratione consistentiarum Cap. 14m: De ea que ex metheoris significatione LIBER III Cap. primum: Prohemium Cap. 2m: De seminatione et partu Cap. 3m: De gradu horoscopi Cap. 4m [3]: Quomodo oportet accipere horoscopum Cap. 5m [4]: Diuisio geneatici sermonis Cap. 6m [5]: De parentibus Cap. 7m [6]: De fratribus Cap. 8m [7]: De masculinis et femininis Cap. 9m [8]: De gemellis Cap. 10m [9]: De monstris Cap. 11m [10]: De non cibatis Cap. 12m [11]: De annis uite Cap. 13m [12]: De forma et complexione corporali Cap. 14m [13]: De lesura et passionibus Cap. 15m [14]: De qualitate anime Cap. 16m [15]: De passionibus animalibus LIBER IV Cap. primum: Prohemium Cap. 2m: De fortuna possessoria Cap. 3m: De fortuna dignitatiua Cap. 4m: De qualitate operationis Cap. 5m: De coniugiis Cap. 6m: De natis Cap. 7m: De amicis et inimicis Cap. 8m: De peregrinatione Cap. 9m: De qualitate mortis Cap. 10m: De temporum diuisione I. Index graeco-latinus II. Index latino-graecus III. Supplementum latinum

"In conclusion, the volume is not only a landmark in Ptolemaic studies, but Chapter V and the apparatus to William’s translation also make it an indispensable companion for readers of the Greek Tetrabiblos."Levente László, Journal for the History of Astronomy, Volume 50 Issue 2, May 2019, https://doi.org/10.1177/0021828619840510

Gudrun Vuillemin-Diem (†) was research fellow at the Thomas-Institut, Universität Köln. Carlos Steel is emeritus professor of ancient and medieval philosophy at KU Leuven and director of the “Aristoteles Latinus” project. Pieter De Leemans is professor at the De Wulf-Mansion Centre for Ancient, Medieval, and Renaissance Philosophy (KU Leuven) and academic secretary of the Aristotles Latinus. - Hoger Instituut van Wijsbegeerte, KU Leuven

• Introduction Chapter I: Manuscript Tradition of the Translation 1. Oxford, Bodleian Library, Digby 179, ff. 171r-208v (Ox) 2. Venezia, Bibl. Marciana, lat. XIV, 242 (= 4295), ff. 1r-12v (Ve) 3. The relation of the two manuscripts Chapter II: William of Moerbeke Translator of the Ludiciala 1. Attribution of the translation to William of Moerbeke 1.1. External arguments 1.2. Internal arguments: an analysis of the translation method 1.2.1. Particles, conjunctions, prepositions, adverbs 1.2.2. Vocabulary 1.2.3. Syntax 1.3. Special character of the translation 1.4. When was the translation made? 2. Moerbeke: a translator with an interest in science 2.1. Astrological terms 2.2. Medical terms 2.3. Translation of hapax legomena and rare terms 2.4. Quandoque bonus dormitat Homerus 3. Moerbeke and Plato of Tivoli Conclusion Chapter III: The Reception of Moerbeke's Translation 1. Henricus Bate 2. Agostino Nifo Chapter IV: The Greek Text and the Translation A. The tradition of the Greek text 1. The Vaticanus graecus 1038 and related manuscripts 2. The tradition besides V 2.1. Class βγ 2.2. Class α 2.3. Bipartition of the text tradition 3. The indirect tradition B. The Greek model of Moerbeke’s translation 1. Principal characteristic of G: a representative of branch ψ 1.1. G agrees with V (L) alone against variants of all other witnesses 1.2. G is dependent neither from V nor L 1.3. Bipartition of the tradition: G with V (L) alone against common readings of α βγ 60 2. G with other witnesses against V (L) 2.1. Relations of G with readings of (Σ) βγ against V Y (or V α) 2.2. G: relations with α 3. G different from the whole tradition 3.1. Two important cases 3.2. G agrees with coniectures of Hübner 3.3. Glosses in G 3.4. The omission of Ptolemy’s table of termsConclusionAddendumChapter V: The Contribution of Moerbeke’s Translation to the Edition of the Greek Text 1. Book I 2. Book II 3. Book III 4. Book IV Appendix I: The Astrological Note Translated by Moerbeke Appendix II: The Conclusion of the Apotelesmatica Editorial Principles 1. Text 2. Latin apparatus 3. Greek-Latin comparative apparatus Bibliography Claudii Ptolemaei Liber Ludicialium translatio Guillelmi de Morbeka Conspectus siglorum LIBER I Cap. primum: Prohemium Cap. 2m: Quod pronosticatio per astronomiam sit possibilis et usque ad quid Cap. 3m: Quod etiam sit proficua Cap. 4m: De uirtute errantium astrorum Cap. 5m: De beneficis et maleficis Cap. 6m: De masculinis et femininis Cap. 7m: De diurnis et nocturnis Cap. 8m: De uirtute configurationum ad solem Cap. 9m: De stellarum fixarum uirtute Cap. 10m: De temporibus anni Cap. 11m: De uirtute angulorum Cap. 12m: De tropicis et equinoctialibus et fixis et bicorporeis signis Cap. 13m: De masculinis et femininis signis Cap. 14m: De signis duodecim que ad inuicem configurantur Cap. 15m: De imperantibus et obedientibus similiter signis Cap. 16m: De aspicientibus et equipotentibus inuicem signis Cap. 17m: De inconnexis Cap. 18m: De domibus uniuscuiusque planete Cap. 19m: De triplicitatibus Cap. 20m: De exaltationibus Cap. 21m: De terminorum dispositione Cap. 22m: De locis et partibus uniuscuiusque Cap. 23m: De faciebus et claritatibus et talibus Cap. 24m: De coniunctionibus et refluxionibus et aliis uirtutibus LIBER II Cap. primum: Diuisio totius intentionis Cap. 2m: De proprietatibus secundum omnia climata Cap. 3m: De conuenientia regionum ad trigonalitates et ad stellas Cap. 4m: Expositio regionum que referuntur ad unumquodque signorum Cap. 5m: Accessus in particulares effectus eclipsium Cap. 6m: De consideratione dispositarum regionum Cap. 7m: De tempore effectuum Cap. 8m: De genere [autem] dispositorum Cap. 9m: De qualitate ipsius effectus Cap. 10m: De coloribus eclipsium et cometarum et talium Cap. 11m: De innouatione anni Cap. 12m: De particulari animalium natura ad consistentias Cap. 13m: De particulari consideratione consistentiarum Cap. 14m: De ea que ex metheoris significatione LIBER III Cap. primum: Prohemium Cap. 2m: De seminatione et partu Cap. 3m: De gradu horoscopi Cap. 4m [3]: Quomodo oportet accipere horoscopum Cap. 5m [4]: Diuisio geneatici sermonis Cap. 6m [5]: De parentibus Cap. 7m [6]: De fratribus Cap. 8m [7]: De masculinis et femininis Cap. 9m [8]: De gemellis Cap. 10m [9]: De monstris Cap. 11m [10]: De non cibatis Cap. 12m [11]: De annis uite Cap. 13m [12]: De forma et complexione corporali Cap. 14m [13]: De lesura et passionibus Cap. 15m [14]: De qualitate anime Cap. 16m [15]: De passionibus animalibus LIBER IV Cap. primum: Prohemium Cap. 2m: De fortuna possessoria Cap. 3m: De fortuna dignitatiua Cap. 4m: De qualitate operationis Cap. 5m: De coniugiis Cap. 6m: De natis Cap. 7m: De amicis et inimicis Cap. 8m: De peregrinatione Cap. 9m: De qualitate mortis Cap. 10m: De temporum diuisione I. Index graeco-latinus II. Index latino-graecus III. Supplementum latinum

"In conclusion, the volume is not only a landmark in Ptolemaic studies, but Chapter V and the apparatus to William’s translation also make it an indispensable companion for readers of the Greek Tetrabiblos."Levente László, Journal for the History of Astronomy, Volume 50 Issue 2, May 2019, https://doi.org/10.1177/0021828619840510