Note 7 — Chapter I

See Gaston Paris, La Littérature Française au Moyen Age, Paris, 1888, p. 49 seq. A striking illustration of oral transmission is the origin of the tradition about Prester John, for which see Cathay and the Way thither, ed. Henry Yule, Lond. 1866, Hakluyt Soc. No. 36, 37, vol. i. p. 174 and n. 1.