[484] Professor Browne has given an interesting account of these ultra-Shí‘ite insurgents in his Lit. Hist. of Persia, vol. i, ch. ix.

[485] Ṭabarí, iii, 404, l. 5 sqq.

[486] Ṭabarí, iii, 406, l. 1 sqq.

[487] Murúju ‘l-Dhahab, ed. by Barbier de Meynard, vol. iv, p. 47 seq.

[488] When the Caliph Hádí wished to proclaim his son Ja‘far heir-apparent instead of Hárún, Yaḥyá pointed out the danger of this course and dissuaded him (al-Fakhrí, ed. by Derenbourg, p. 281).

[489] Ibn Khallikán, De Slane's translation, vol. iv, p. 105.

[490] Mas‘údí, Murúju ’l-Dhahab, vol. vi, p. 364.

[491] See, for example, Haroun Alraschid, by E. H. Palmer, in the New Plutarch Series, p. 81 sqq.

[492] Cf. A. Müller, Der Islam, vol. i, p. 481 seq.

[493] Ibn Khallikán, De Slane's translation, vol. iv, p. 112.