[547]

Jordan and Evermann, op. cit. p. 85.

[548]

Günther, op. cit. p. 348.

[549]

Duméril, quoted by Jordan and Evermann, op. cit. p. 92.

[550]

Rohon, Verhandl. k. Min. Ges. Petersburg, xxxiii. 1895, p. 1.

[551]

Smith Woodward, Proc. Zool. Soc. 1886, p. 527; and 1887, p. 481.