[69]

Eaton, Phil. Trans. clxviii. 1879, pp. 129-134; Ogilvie Grant, Ibis, 1896, pp. 51-53.

[70]

Eaton, Phil. Trans. clxviii. 1879, p. 121.

[71]

Voy. "Beagle" (1890 ed.), p. 351.

[72]

Quart. J. Geol. Soc. xlii. 1886, pp. 366, 367.

[73]

H. Gadow, Bronn's Thier-Reich, Aves, Syst. Theil. 1893, p. 135.