[154] Garstang, Journ. Mar. Biol. Ass. N. S. i. p. 432; Giard, Bull. Sci. Fr. Belg. 1888, p. 502 f.
[155] Nautilus, vi. 1892, p. 90.
[156] R. F. Scharff, Sci. Trans. R. Dubl. Soc. (2) iv. p. 553 f.
[157] Q. Journ. Micr. Sci. N. S. xxxi. (1890) p. 41 f.
[158] A detailed account is given in Proc. Liverp. Biol. Soc. iv. (1890) pp. 150–163.
[159] Journ. Mar. Biol. Ass. N. S. i. p. 418 f.
[160] Garstang, Conchologist, ii. p. 49.
[161] Hecht, Comptes Rendus, cxv. p. 746.
[162] Conchologist, ii. p. 130.
[163] Described as a Cypraea, but no doubt an Ovula or Pedicularia: CB. Bakt. Par. v. p. 543.