[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.