[512] Louis Duval, Rôle des croyances populaires dans la protection des animaux. 1889.
[513] The Student and Intellectual Observer, vol. iii. 1869.
[514] Rev. G. Oliver, D. D., The Pythagorean Triangle.
[515] Pliny, Natural History, book xxviii.
[516] Century Dictionary.
[517] Sir John Bowring, F. R. S., The Kingdom and People of Siam, vol. i. p. 139.
[518] Mallet’s Northern Antiquities, p. 112.
[519] Folkard, p. 377.
[520] Robert Vilvain, of Excester, Enchiridium Epigrammatum, p. 148. 1654.
[521] T. Wain, The Wonderful Number Seven.