[412] King, “The Gnostics,” London, 1864, p. 139.
[413] O. M. Dalton, “Franks Bequest, Catalogue of the Finger Rings, Early Christian, Byzantine, Teutonic, Mediæval and Later [British Museum],” London, 1912, p. 7, No. 39.
[414] M. Deloche, “Étude historique et archéologique sur les anneaux sigillaires,” Paris, 1900, pp. 139–142, figs.
[415] Mercati, “Metallotheca Vaticana,” Romæ, 1719, p. 185.
[416] Giacinto Gimma, “Delia storia naturale delle gemme,” Napoli, 1730, vol. i, p. 39.
[417] Pauli Aringhi, “Roma subterranea,” Romæ, 1651, p. 701.
[418] Santi Aurelii Augustini, “Opera Omnia,” ed. Migne, Parisiis, 1884, cols. 226, 227.
[419] Communicated by L. Weininger, of Vienna.
[420] Platina “De vitis Pontificorum”; “Vita Clementis IV.”
[421] Edmund Waterton, “On the Annulus Piscatoris, or Ring of the Fisherman”; Archæologia, vol. xl, figures on pp. 140 and 142.