^{page 907 note 1} Ibn Khaldūn (Prolegomena, trans, by de Slane, , vol. ii, p. 232)Google Scholar refers to a passage in the Aghānī cited in Ibn Khallikān's life of Ibnu'l Qirrīya, according to which Ibn 'Aqb is an imaginary person, like Majnun and Ibnu'l Qirrīya. Ibn 'Aqb, however, is not mentioned along with the other two in the Būlāq, ed. of the Aghānī (vol. i, p. 167,Google Scholar article

In the first hemistich Flügel conjectures metri causâ which is the reading of my MS.

^{page 908 note 1} Also in Hājī Khalīfa, who merely says that Al-Būnī mentions it. Muḥīyyu'ddīn Abū'l Abbās Aḥmad b. Abī'l Ḥasan 'Alī b. Yūsuf al-Qurashī al-Būnī, who died in 622 a.h., is well known as author of the Shamsu'l Ma'ārif wa Latā'ifu'l 'Awārif.