19. Marco Polo, op. cit., pp. 21-2.
20. A certain Poh-lo was, according to the Chinese annals of the Mongol dynasty, appointed superintendent of salt mines at Yangchow shortly after 1282. Professor Parker thinks that he may be identified with our Polo, but M. Cordier disagrees. See E.H. Parker Some New Facts about Marco Polos Book in Imperial and Asiatic Quarterly Review (1904), p. 128; and H. Cordier, Ser Marco Polo, p. 8. See also Yule, Marco Polo, I, Introd., p. 21.
21. P. Parrenin in Lett. Edis., xxiv, 58, quoted in Yule, op. cit., I, Introd., p. II.
22. On Marco Polo's omissions see Yule, op. cit., I, Introd., p. 110.
23. Marco Polo, op. cit., p. 288.