PLATE IV. 
Fig. 1, 2, 3, 4. ANATIFA ljevis. 
Anatifa laevis. Lam, Syst. v. p, 404. 
Lepas anatifera. Mat. and Rack. Lin. Tr. viii. p. 28. — Donov. Brit. Sh. pi. 7. — Pennant, Brit. Zool. iv. pi. 38, fig. 9. 
— Mont. Test. Brit. p. 15. 
Pentalasmis anatifera. Leach, MSS. 
Fig. 2 and 4, the more usual form. Fig. 1, more dilated, and the dorsal piece appearing as if jointed. It is 
Turton's var. A. Fig. 2 is remarkable for the length of the peduncle, and being of a deep scarlet colour. It is in 
the cabinet of Thomas Hancock, Esq. of Newcastle. Fig. 3 is a rare variety, with the larger valves more di- 
lated than usual, and with strong striae, also in the cabinet of Mr Hancock, and in Lady Jardine's Cabinet. 
Fig. 5. ANATIFA dentata. 
Anatifa dentata. Lam. Syst. v. p. 405 — Brug. Diet. No. 3. 
Lepas dentata, Dillw. Cat. p. 32 — In Lady Jardine's Cabinet. 
