[68] Ibis, 1912.
[69] The Condor, vol. 13, 1911, pp. 195-208.
[70] Journ. Asiat. Soc. Bengal, vol. 64, 1895, and vol. 66, 1897.
[71] Nevertheless a Liothrix is recorded as eating Danais plexippus and a Euploea even though two male specimens of the palatable Elymnias undularis were in the cage.
[72] A form closely resembling P. ceylonica figured on [Pl. I], fig. 1.
[73] Proc. Zool. Soc. Lond. 1911.
[74] Proc. Acad. Nat. Sci. Philadelphia, 1912.
[75] C. Hess, Handbuch der vergleichenden Physiologie (herausgegeben von H. Winterstein), Bd. 4, 1912, p. 563.
[76] Journ. As. Soc. Bengal, vol. 662, 1898.
[77] Trans. Ent. Soc. Lond. 1902.