[372]

Hyrtl, Abhand. d. Böhm. Gesellsch. 1845, p. 643.

[373]

There is an incomplete auricular septum in the Holocephali (e.g. Chimaera monstrosa), see Ray Lankester, Trans. Zool. Soc. x. 1879, p. 502.

[374]

Stannius, Handb. d. Anat. d. Wirbelth. Berlin, ii. 1854, p. 235; Boas, Morphol. Jahrb. vi. 1880, p. 527.

[375]

Boas, Morphol. Jahrb. vi. 1880, p. 321.

[376]

Ibid. op. cit.