A detailed description of the skull of Alepocephalus rostratus has been given by Gegenbaur, Morphol. Jahrb. iv. Suppl. 1878, p. 1.

[652]

As pointed out by Gegenbaur. These forms are, however, placed by Gill in a division characterised by the atrophy or absence of the mesocoracoid.

[653]

See above, p. [178].

[654]

Zool. Jahrb. Anat. xviii. 1903, p. 58.

[655]

Morphol. Jahrb. x. 1885, p. 22.

[656]