[195] Quekett (54), fig. 78.

[196] Kölliker (59) and (592); good figures in the latter paper.

[197] Rose (55), Pl. I.

[198] For other references vide Bornet and Flahault (892).

[199] Duncan (76) and (762).

[200] Similar borings are figured by Kölliker (592), Pl. XVI. 14, in a scale of Beryx ornatus from the Chalk.

[201] Bornet and Flahault (892).

[202] E. G. Wedl (59). Good figures are given in this paper.

[203] Bornemann (86), p. 126, Pls. V. and VI.

[204] Renault (961) p. 446.