[46] Plinii, “Naturalis Historia,” lib. xxxvii, cap. 7.
[47] Bk. xviii, 11, 295-298, trans. of William Cullen Bryant.
[48] Du Chaillu, “The Viking Age,” New York, 1889, vol. ii, p. 314. (Figs. 1210, 1211, 1212.)
[49] Sendelii, “Electrologiæ,” Elbingæ, 1725, Pt. I, p. 12, note.
[50] Camilli Leonardi, “Speculum lapidum,” Venetia, 1502, fol. 22.
[51] Johannis de Cuba, “Hortus Sanitatis,” [Strassburg, 1483] tractatus de lapibus, cap. vii.
[52] Belleau, “Œuvres poétiques,” ed. Marty-Laveaux, Paris, 1878, vol. ii, pp. 172 sqq. The poem in which this tale occurs is the “Amours et nouveaux eschanges des pierres précieuses,” written in 1576 and dedicated to Henri III.
[53] Rose, “Aristotles de lapidibus und Arnoldus Saxo,” in Zeitschr. für D. Alt., New Series, vol. vi, p. 431.
[54] Konrad von Megenberg, “Buch der Natur,” ed. by Dr. Franz Pfeiffer, Stuttgart, 1861, p. 436.
[55] Pitra, “Specilegium Solesmense,” Parisiis, 1855, vol. iii, p. 325.