LEPAS. 17 



rugosa. 6. Shell sub-cylindrical, with the valves 

 wrinkled, or striated longitudinally; opercu- 

 lum very acute. 



Lepas rugosa. Maton and Racket, in Lin. Trans, viii. 



p. 25. t. 1. f. 5. Wood's Conch, p. 41. t. 6. f. 4. 

 Lepas borealis. Donovan, v. t. 160. 

 Balanus rugosus. Dorset Cat. p. 25. t. '2. f. 10. Mb/z- 



foygw, p. 8. 

 Chemnitz, viii. t. 97. f.824. ? 

 Inhabits the shores of Dorsetshire on rocks, stones, and bivalve 



shells. Racket. 

 The diameter is usually exceeded by the height, which mea- 

 sures from half to three quarters of an inch, aud the shell is 

 nearly as broad at the base as at the summit ; the aperture is 

 somewhat rhomboidal, and the valves are raised into angu- 

 lated points. — Montagu says, the operculum consists of four 

 rough, but not striated, valves, which are angulated, erect, 

 and form four distinct points a little reflected. 



elongata. 7. Shell club-shaped, elongated and 

 dilated at the aperture ; operculum obtuse. 



Lepas elongata. Chemnitz, viii. p. 315. t. 98. f. 838. 

 Gmelin, p. 3213. Maton and Racket, in Lin. Trans. 

 viii. p. 26. 

 Lepas clavata. Wood's Conchology, p. 45. t. 7. f. 2. 

 Lepas balanoides. Var. Pennant Zoot. p. 73. t.37« f. 5 A. 

 Da Costa Brit. Conch, p. 249. Donovan, i. t. 36. f. 3. 

 Lepas, No. 8. Schroeter Einl. iii. p. 528. 

 Balanus clavatus. Ellis and Solander Zooph. p. 198. t. 15. 

 f. 7 and 8. Dorset Cat. p. 25. t. 1. f. 6. Montagu 

 Test. p. 10. 

 Balanus fistulosus. Bruguiere Enc. Meth. p. 166. Enc. 

 Methodique, t. 164. f. 7 and 8. 

 Inhabits the coasts of Britain. Da Costa, fyc. Iceland. 



Chenmitz. Newfoundland. Sir J. Banks. 

 Shell two or three inches long, and not more than one-sixth as 

 broad at the summit, with six valves, of which three are 

 larger than the others ; it is longitudinally wrinkled, faintly 

 striated transversely, and sometimes slightly tuberculated ; 

 the colour is greenish white, and the operculum is com- 

 posed of four obliquely striated valves. 



conoides. 8. Shell conical, with the valves poin- 

 ted and reticulated; aperture very small. 



VOL. I. c 



