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Ptolemaeus Arabus et Latinus

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Work B.4

Pseudo-Ptolemy
De cometis

Text

‘(ed. Boudet) Dixit Ptholomeus quod stelle cum caudis sunt 9, quarum prima est veru, secunda Tenaculum, tercia Pertica — significabit mortalitatem multam et decollatione’ [or: ‘... ipsa signaficabit in regibus et divitibus apparebit’]

Content

A brief description of nine types of comets, together with their influence on earthly events.

Origin

This chapter is one of the two additional chapters (with B.10) generally found together with the Centiloquium in Plato of Tivoli’s translation (B.1.2) and in the ‘Mundanorum’ version (B.1.4), either at the beginning or at the end. It is related to v. 99-100 of the Centiloquium, which deal with comets, but its origin and exact relationship to the Centiloquium remain to be investigated. The text exists in three versions: (1) the standard version (‘Dixit Ptholomeus quod stelle cum caudis sunt 9…’), generally found together with the Centiloquium in Plato of Tivoli’s translation; (2) an expanded version of the former (‘Ptholomeus in hoc libro tricas et tricarum nomina posuit…’), generally found together with the Centiloquium in the ‘Mundanorum’ version; (3) a version attributed to Robert Grosseteste and consisting of the expanded version followed by Grosseteste’s last part of his own De cometis (ed. Panti, 326-328, lines 112-145). The latter version occurs in MSS Erfurt, UFB, Amplon. Q. 361; Florence, BM, C 163 (among Grosseteste’s works); and Munich, BSB, Clm 588.

Note

The MSS listed below are only those in which the text occurs independently from the Centiloquium. For more MSS, see B.1.2 and B.1.4.

Bibl.

F. J. Carmody, Arabic Astronomical and Astrological Sciences in Latin Translation. A Critical Bibliography, Berkeley-Los Angeles, 1956, 16-17 (no. 3d); R. Lemay, Abū Ma‘šar al-Balḫī [Albumasar]: Liber introductorii maioris ad scientiam judiciorum astrorum, Napoli, 1995-1996, IV, 143-144; R. Lemay, Le Kitāb at-Tamara (Liber fructus, Centiloquium) d’Abū Ja’far Aḥmad ibn Yūsuf [Ps.-Ptolémée], New York, 1999, I, 334-335 and passim; C. Panti, Moti, virtù e motori celesti nella cosmologia di Roberto Grossatesta. Studio ed edizione dei trattati De sphaera, De cometis, De motu supercelestium, Firenze, 2001, 153-156 and 245-252; J.-P. Boudet, ‘Les comètes dans le Centiloquium et le De cometis du pseudo-Ptolémée’,  Micrologus 24 (2016), 195-226: 210-220. For the version attributed to Grosseteste, see also S. H. Thomson, ‘The Text of Grosseteste’s De cometis’, Isis 19 (1933), 19-25: 19; S. H. Thomson, The Writings of Robert Grosseteste, Bishop of Lincoln (1235-1253), Cambridge, 1940, 112 (no. 65).

Ed.

The standard version is edited by Lemay, Le Kitāb, I, 334-335 (from Berlin, SBPK, Hamilton 557), and Boudet, ‘Les comètes’, 211-212 n. 68 (from several MSS, with a French translation, 210-211); the expanded version by Boudet, ‘Les comètes’, 218-220 (from several MSS); and the version attributed to Grosseteste by L. Baur, Die philosophischen Werke des Robert Grosseteste, Bischofs von Lincoln, Münster, 1912, 36-39, together with his edition of Grosseteste’s De cometis (from Erfurt, UFB, Amplon. Q. 361 and Munich, BSB, Clm 588).

MSS