[45] Fosbroke’s Encyclopædia of Antiquities, 246.
[46] Wilson’s Archæological Dictionary, Art. Rings.
[47] Chambers’s Miscellany.
[48] Cardanus, lib. vii. de Lapidibus.
[49] Dumas’ Celebrated Crimes—The Borgias.
[50] Notes to Tallis’s Edit. of Shakspeare.
[51] Act IV. Scene 2.
[52] Nichols’s Lapidary, 54, 57; Kobell, 274.
[53] Hill’s Theophrastus, p. 75, notes n. y.
[54] Chances, Act 1, Sc. 3.