P. Linn. Soc. N.S.W. viii. 1883, p. 300.
Tangweera, London, 1899.
Voyage of the Beagle, London, 1845, chap. xvii.
For further anatomical details see Shufeldt, P.Z.S. 1890, p. 148; Boulenger, P.Z.S. 1891, p. 109; and Stewart, P.Z.S. 1891, p. 119.
P.Z.S. 1899, p. 596.