[424] X. Barbier de Montault, “Le costume et les usages ecclésiastiques selon la tradition romaine,” Paris, n.d., vol. i, p. 161. [425] _Ibid._, pp. 158, 159. [426] Sancti Aviti, Epist. lxxviii, Migne, “Patrologia Latina,” vol. lix, col. 280. [427] Isidori, “De ecclesiasticis officiis,” lib. ii, cap. v, 12. [428] Migne, “Patrologia Latina,” vol. lxxxiii, cols. 783, 784. [429] Philippe Labbé and Cossart, “Sacros. concil.,” vol. v, cols. 1618, 1714. [430] Wetzer and Welte’s “Kirchenlexikon,” 2d ed., Freiburg im Breisgau, 1897, vol. x, p. 211, art. Ringe by K. Schrod. [431] Ed. Merati, p. 1737. [432] Edmund Waterton, “On Episcopal Rings,” _The Archæological Journal_, vol. xx, London, 1863, p. 228. [433] Rot. Pat. Hen. III. m. 20 d. [434] Liber 28, Ed. I; fol. 278, p. 344. [435] Philippi Labbei et Cossarti, “Sacrosancta concilia,” vol. viii, col. 878. [436] Edmund Waterton, “Episcopal Rings,” in _The Archæological Journal_ vol. xx, p. 227, fig. p. 228. [437] Ph. Labbei et Cossarti, “Sacrosancta Concilia,” vol. ix, col. 395, of the Council of Nimes. [438] Edmund Waterton, “Episcopal Rings,” in _The Archæological Journal_, vol. xx, p. 235, figs. 6, 7 and 8 on plate opposite that page. [439] “De sacro altaris mysterio,” Migne’s Patrologia Latina, vol. ccxvii, col. 796. [440] Arnaud, “Notice sur les objets trouvés dans plusieurs cercueils de pierre à la cathédral de Troyes,” Troyes, 1844, p. 13. [441] Catalan, “Pontificale romanum,” vol. iii, p. 358, citing the annals of Abraham Begovius, ad annum 1303, num. 8. [442] R. Rucklin, “Das Schmuckbuch,” Leipzig, 1871, vol. ii, pl. 56, fig. 5. [443] See also Hefner, “Trachten,” pl. 9. [444] _Op. cit._, vol. i, p. 167. [445] Edmund Waterton, “On Episcopal Rings,” _Archæological Journal_, vol. xx, p. 228, London, 1863; citing Dart, “Hist. of Cant. Cath.,” p. 346, fol. 279, and Duranti, “De ritibus,” lib. ii, cap. ix, sec. 37. [446] O. M. Dalton, “Franks Bequest, Catalogue of the Finger Rings, Early Christian, Byzantine, Teutonic Mediævel, and Later [British Museum],” London, 1912, pp. xxxvii, xxxviii. [447] Catalogue of the special exhibition of works of art ... at the South Kensington Museum, June, 1862, London, 1863, p. 636. [448] Maurice Faucon, “Les arts à la cour d’Avignon sous Clément V et Jean XXII,” in Mélanges d’Archéologie et d’Histoire II^{ème} Année, pp. 76, 77; IV^{ème} Année, p. 107. [449] Italian XIV Century MSS. in the author’s library. What appears to be a topaz ring is on the fourth finger of the right hand in Titian’s portrait of Archbishop Filippo Archinto, painted in the middle of the sixteenth century. [450] Edinburgh Review, July, 1866, p. 247. [451] X. Barbier de Montault, “Le costume et les usages ecclésiastiques selon la tradition romaine,” Paris (1897), vol. i, p. 162. [452] _Ibid._, vol. i, p. 159. [453] This ring is figured as frontispiece to the writer’s “Curious Lore of Precious Stones,” Philadelphia and London, 1913.