[34]

Ann. Sci. Nat. (3) xiv. 1850, pp. 205-216.

[35]

Milne-Edwards and Grandidier, C. R. Ac. Sci. cxviii. 1894, pp. 122-127; Andrews, Geol. Mag. 1894, p. 18; id. Ibis, 1896, pp. 376-389.

[36]

Parker, Tr. N. Z. Inst. xxv. 1892, p. 3.

[37]

Bol. Mus. La Plata, i. 1887, p. 24.

[38]

Revist. Argent. i. 1891, p. 255.