References
- Gray , J.E. 1833 . On the Operculum of Gasteropodous Mollusca, and an attempt to prove that it is homologous or identical with the second valve of Conchifera . Annals and Mag. of Nat. Hist. , v : 476 – 476 . ser. 2and Phil. Trans.
- 1860 . On the Homologies of the so-called univalve shell and its Operenlum . Proc. Linn. Soc. , v
- 1835 . Ann. des Sc. Nat. , iv : 283 – 283 . and tom. v. (1836) p. 321, &c.
- Von Siebold . Vergleichende Anatomie 24 – 24 . Wirbellose Thiere
- 1852 . “ Bidrag til Pectinibranchiernes Udviklingshistorie ” . In On the Development of Buccinum undatum 1066 – 1066 . Athenæum
- Lecture upon Animal Individuality, Royal Institution . Ann. Nat. Hist. , ix 505 – 505 . ser. 2.
- 1858 . Mémoire sur le Système nerveux de l'Haliotide . Ann. des Sc. Nat. Zoolog. , xii : 226 – 226 . ser. 4.
- Mörch . 1863 . Journal de Conchyliologie , : 39 – 39 .
- The double-eyed monstrosities of Emarginula and Patella vulgata, the latter of which, with a double tentacle, described by Fischer, are not without importance for this comparison Journal de Conchyliol. v 230 230 tom. xii. p. 89). Lacaze-Duthiers, “Sur les Monstres doubles de la Bullæa aperta” (Compt. Rend. Acad. Sc. tome xli. 1855, pp. 1247–1250).
- Mörch . 1860 . Journal de Conchyliologie Juillet
- Darwin's . Cirripeds 96 – 96 .