Proc. Ac. Philad. p. 209.

[9]

Americ. Natural. xxiii. p. 849.

[10]

Sarasins' Ergebnisse ... Ceylon, 1887-1890.

[11]

Credner's term for all Vertebrates higher than fishes.

[12]

Boulenger, P.Z.S. 1888, p 204.

[13]