[636] The legend does not fit in well with chronology since Sung-Yün is said to have returned from India in 522.
[637] See Takakusu in J.R.A.S. 1905, p. 33.
[638] Mailla, Hist. Gén. de la Chine, p. 369.
[641] See Biot, Hist, de l'instruction publique en Chine, pp. 289, 313.