[360]

"Siboga" Exped. Mon. xi. 1903.

[361]

Proc. Roy. Irish Acad. 3rd ser. v. 1900, p. 735.

[362]

Cf. Darwin, Voyage of the Beagle, chap. v.

[363]

Hickson, K. Akad. Wet. Amsterdam, 1905.

[364]

J. H. Ashworth, Proc. Roy. Soc. lxiii. 1898, p. 443.