LEPAS. 31 



Inhabits the American Ocean. Linnceus. Indian Ocean. Lis- 

 ter. Coasts of Britain, rare. Montagu, fyc. 



Shell from half an inch to an inch long, and about three-fourths 

 as broad, of a bluish white, with the connecting cartilages of 

 the valves, as well as the peduncle, of a bright orange red, or 

 pale saffron colout' ; the valves are marked with elevated 

 striae, radiating upwards from the anterior angle in the lower 

 valves, and downwards in the two superior valves, from their 

 apices ; the dorsal valve is much compressed, and brought to 

 a fine carinated edge. 



sulcata. 35. Shell compressed subtriangular, with 

 five strongly ribbed valves. 



Lepas sulcata. Montagu Test. p. 17. t. 1. f. 6. Maton and 

 Racket in Lin. Trans, viii. p. 29- Dorset Cat. p. 26. 

 Wood's Conch, p. 68. t. 12. f. 1. 

 Inhabits the sea on the Dorsetshire coast. Mr. Montagu. 

 Peduncle short and dusky ; shell from one tenth to half an inch 

 long, and nearly equally broad, of a whitish or very light 

 brown colour ; the lateral valves are marked with elevated ribs, 

 diverging in the same directions as the striae of L. anserifera, 

 and the dorsal valve is strongly striated longitudinally. 



fascicular is. 36. Shell compressed, with five 

 smooth valves ; dorsal valve dilated at the 

 base, and forming a prominent acute angle. 



Lepas fascicularis. Ellis and Solander's Zoophytes, p. 167. 



t. 15. f. 6. Montagu Test. p. 557, and Supp. p. 5. and 



p. 163. Maton and Racket in Lin. Trans, viii. p. 30. 



Wood's Conch, p. 62. t. 10. f. 4. 

 Lepas dilatata. Donovan Brit. Shells, v. t. 164. 

 Lepas anatifera. Var. £. Gmelin, p. 32 J 1 . 

 Lepas, No. 14. Schroeter Einleitung, iii. p. 532. 

 Lister Conch, t. 439- f. 280. Seba, iii. t. 16. f. 1. Enc. 



Meth.t. 166. f. 4. 

 Inhabits St. George's Channel. Ellis. Baltic Sea, Bay of 



Biscay, and the Irish Channel. Solander. 

 In size it resembles L. anatifera, but the dorsal valve is singu- 

 larly dilated at the base, and forms a sharp prominent angle, 

 whereas in the latter species it is semicircular ; the superior 

 valves also are more acute, and somewhat bent back at their 

 apices; all the valves are thin and diaphanous, and of a bluish 

 horn colour. 



