[231] “Le Cabinet de la Bibliothèque de Sainte Geneviève,” by the Rev. Father Claude du Molinet, Paris, 1692, p. 3, pl. 8, fig. 5, impression of seal; the letters are rather irregularly disposed. [232] Clementis Alexandrini, “Pædagogus,” lib. iii, cap. ii. [233] O. M. Dalton, “Franks Bequest, Catalogue of Finger Rings, Early Christian, Byzantine, Teutonic, Mediæval and Later (British Museum),” London, 1912, p. 120, No. 778. [234] SS. Zenonis et Optati, “Opera omnia,” in Migne’s Patrologia Latina, vol. xi, Paris, 1845; S. Optati, “De schismate Donatistiarum,” lib. i, cap. 10, note. [235] Philippi Labbæi and Cossarti, “Sacrosancta concilia,” vol. iv, col. 1403. [236] Deloche, “Le port des anneaux dans l’antiquité romaine, et dans les premiers siècles du moyen âge,” Paris, 1896, pp. 108, 109; from Mémoires de l’Académie des Inscriptions et Belles Lettres, vol. xxxv. [237] M. Deloche in Revue archéologique, 3d Series, 1886, vol. ii, p. 141 and 1893, vol. i, p. 269. [238] See also the same writer’s “Étude historique et archéologique sur les anneaux sigillaires,” Paris, 1900, p. 203, fig. This ring was found at Laon, dept. Aisne. [239] “Anastasis Childerici I Francorum regis, sive Thesaurus sepulchralis Tornaci Nerviorum effossus et commentario illustratus,” Antverpis, ex officina Plantaniana Balthazaris Moreti, 1655. This is a quarto of 367 pages, with 27 plates and copper-plate engravings. [240] Deloche “Anneaux Sigillaires,” Paris, 1900, pp. 192, 193. [241] C. W. King, “On the Use of Antique Gems in the Middle Ages.” [242] “Prolégomènes Historiques,” of Ibn. Kaldoun, in Notices et Extraits des Manuscripts de la Bibliothèque Impériale, vol. xx, pt. i, pp. 61–62, Paris, 1865. [243] Burton, “Supplementary Nights,” 1868, vol. v, p. 52. [244] Hammer-Purgstall, “Abhandlung über die Siegel der Araber, Persen und Türken,” Denkschriften der Kaiserl. Akad. der Wissenschaften, Phil.-Hist. Kl., Wien, 1850, p. 29. [245] _Ibid._, p. 1. [246] Garzoni, “Piazza Universale,” German transl., Franckfurt am Main, 1641, p. 697. [247] Jean Baptiste Tavernier, “Relation du Serrail,” Paris, 1702, pp. 480, 481. [248] O. M. Dalton, “Byzantine Art and Archæology,” Oxford, 1911, p. 540; figs. 319, 320 on p. 537. [249] Nicetas, “Histoire de l’Empire Grec, Règne de John Comnénus,” Paris, 1693, p. 7. [250] P. J. Mariette, “Traité des pierres gravées,” Paris, 1750, vol. i, p. 21. [251] “Catalogue of the Special Exhibition of Works of Art at the South Kensington Museum, June, 1862,” section 32, “Rings,” by Edmund Waterton, p. 622. [252] C. W. King, “Antique Gems and Rings,” London, 1872, p. 399. [253] Jules Labarte, “Dissertation sur l’abandon de la glyptique en Occident au Moyen Age et sur l’époque de la renaissance de cet art,” Paris, 1871, pp. 12–18. [254] Labarte, “Inventaire du mobilier de Charles V,” Paris, 1879, p. 86, No. 555. [255] Joannis Cantacuzeni, “Historiæ,” vol. i, lib. iii, cap. xlvii.