1. BALANUS TINTINNABULUM. Pl. 1, fig. _a_-_l_; Pl. 2, fig. 1 _a_-1 _o_.

LEPAS TINTINNABULUM. _Linn._ Syst. Naturæ, 1767.

---- ---- _Ellis._ Phil. Transact., vol. 50, 1758, Tab. 34, figs. 8

and 9.

---- ---- _Chemnitz._ Neues. Syst. Conch., 8 B. (1785),

Tab. 97, figs. 828-831.

BALANUS TULIPA. _Bruguière._ Encyclop. Meth., 1789; sed non _B.

tulipa alba_, in _Chemnitz_; neenon _B. tulipa_, _O. F.

Müller_, Zoolog. Dan.; neenon _B. tulipa_, Poli, Test. ut.

Siciliæ.

---- ---- _G. B. Sowerby._ Genera of Recent and Fossil Shells, Tab.

Genus Balanus.

LEPAS CRISPATA (_var._) _Schröter._ Einleitung Conch. vol. iii, Tab.

9, fig. 21.

---- SPINOSA (_var._) _Gmelin._ Linn. Syst. Nat.

---- TINTINNABULUM, SPINOSA, CRISPATA ET PORCATA. _W. Wood._ General

Conchology, 1815, Pl. 6, figs. 1, 2. Pl. 7, figs. 4, 5. Pl. 8,

figs. 1-5.

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