Cod.: paper, II+198 ff. (foliated with Arabic-European numerals in pen; two unnumbered empty leaves after f. 38, four after f. 82; catchwords). Two black maghribī hands. Abū l-Qāsim’s hand (ff. 1r–82v, 125v–198r, including the Ptolemaic works): large and slightly irregular; fully dotted ductus with occasional hamzas; titles, chapter titles and section beginnings in red and green (one title centered with red and green decoration on the sides, 175v); Hindu-Arabic and abjad numerals in red. Second hand (83v–124v): smaller and closer to naskh; fully dotted ductus without diacritics; centered chapter titles in red, sometimes with black decoration on the sides; section beginnings in red or overlined in red; abjad numerals in red. Table of contents and various titles added on originally blank pages by a third hand. Three sketchy tables of the planets’ properties (4v), hours (5r), and terms (5v), drawn without a ruler, with lines in red or green and contents in black, red or green; a neat table of planetary terms (91r) with lines in red and contents in black; ten interrogation horoscopes (43v, 59v, 60r, 65v, 68r, 71v [twice], 72v, 73r, 73v) drawn without a ruler, with lines in red and green and contents in black (once in green, 65v). Abjad numerals in the tables and horoscopes. Manuscript in good condition; marginal notes on ff. 51, 55, 94, 96, 97, 100, 101, 106, 144, and 159 folded in when the leaves were trimmed; some smudges hardly ever affecting the readability, green ink often corroded, black ink occasionally corroded; some margins pasted. Dimensions: 20.5×15.5 cm; 22 lines per page in treatises 4–5, otherwise 21. Red leather cover over marbled pasteboard; marbled paper on the inside covers. Type III binding.

Cont.: astrology and mathematics. — Index: title Kitāb fī l-Mudkhal wa-aḥkām al-nujūm, referring either to the manuscript as a whole or to treatise 1 or 3 (Ir); table of contents (IIr); 1) Thābit b. Ṣāliḥ b. ʿAlī b. Ṣāliḥ al-Barūkī l-Shāfiʿī, Kitāb Kifāyat al-ṭālib fī ʿilm al-ṭāliʿ wa-ghārib wa-kashf al-maṭālib min asrār al-kawākib (1r–38v; the author is called Zayd al-Dīn Ṣāliḥ b. Sharf al-Dīn ʿAlī Ṣāliḥ al-Bārūkī and Thābit b. Ṣāliḥ al-Bārūnī in other manuscripts); 2) a treatise on interrogations by Muḥammad b. ʿAlī b. Muḥammad b. Ḥusayn b. Ḥayyūn al-Ṣiqillī l-Andalusī l-Burjī, ‘known as al-Ḥājj al-Shīṭībī’ (sic, for al-Shuṭaybī?), beginning fa-hādhihi nubdha falakiyya yastaʿīnu bi-hā ṭālib al-ikhtiyārāt al-nujūmiyya jamaʿtu-hā li-nafsī tadhkiratan wa-li-man shāʾa Allāh … fa-aqūlu wa-Allāh al-mustaʿān iʿlam anna ʿilm al-nujūm ʿalā thalāthat aqsām tarkīb al-aflāk wa-jihat al-kawākib wa-inqisām al-burūj wa-abʿādi-hā wa-ḥarakāti-hā wa-yusammā hādhā l-fann ʿilm al-hayʾa (39r–82v); 3) Kushyār b. Labbān, Kitāb al-Mudkhal ilā aḥkām al-nujūm (83r–124v); title page of treatise 5 (125r); 4) Zayn al-Dīn ʿAbd al-Qādir b. Ibrāhīm al-Maḥallī l-Shāfiʿī, al-Qāʿida al-mawḍūʿa li-l-ʿamal bi-l-aʿdād al-mutanāsiba (125v–127v); 5) Ptolemaica (127v–174r); 6) excerpts on astral magic (174r–v); a combined title page for the last two works (175r); 7) Ptolemaica (175v–185v); 8) Hermes, Kitāb fī l-Ḥukm ʿindā ṭulūʿ al-shiʿrā wa-mā fī l-ḥawādith allatī takūnu fī l-ʿālam fī kull sana mim-mā ʿallama-hu Allāh iyyā-hu (186r–198r; Malḥama-style predictions based on the position of Moon in the zodiacal signs at the time of the heliacal rising of Sirius). Blank: Iv, 38^bisr–38^terv, 82^bisr–82^quinquiesv.

Bibl.: GAS VIIFuat Sezgin, Geschichte des arabischen Schrifttums, Vol. VII: Astrologie – Meteorologie und Verwandtes bis ca. 430 H., Leiden: Brill, 1979, p. 46 (no. 2d); al-Mahdī ʿAbd al Jawwād and Ḥamīda al-Hādifī, Makhṭūṭāt ʿilmiyya bi-l-Maktaba al-Aḥmadiyya (riyāḍiyyāt – falak – tanjīm), Tunis: Dār al-Kutub al-Waṭāniyya al-Tūnisiyya, 2018, Arabic p. 248 (not actually paginated) and plates 69–71 (reproducing ff. 83v, 175v and 127v). Dār al-Kutub al-Waṭāniyya al-Tūnisiyya: https://www.bibliotheque.nat.tn/CATG/doc/SYRACUSE/1806205/ (with scans).