1014 HALIOTIS. 



tains the perforated tubercles, and the outer surface is also 

 tuberculated behind the wrinkles ; the inside is pearly, and 

 the inner lip is said to be broad. 



PARVA, 16. Shell ovate, depressed, with decussated 

 strise, and three elevated remote ribs, of 

 which the middle one is perforated ; spire 

 elevated. 



Haliotis parva. Linnam Syst. Nat. p. 1256. Martini^ i. 

 p. 181. t. 14. f. 140. Schroeter Einl. ii. p. 382. Gme- 

 lin, p. 3689- Schreibers Conch, i. p. 331. 

 Padollus scalaris. Leach Zool. Misc. i. p. 66. t. 28. 

 L'Oreille de Mer i gouttiere. Favanne, i. p. 588. t. 5. f. D. 

 Knorr, i. t. 20. f. 5. 



Inhabits ihe coasts of Africa. Linnccus. Isle of France. Fa- 

 tanne. China. Humphreys. 



Shell an inch and a quarter, or an inch and a half long, and 

 about two-thirds as broad, of a dull orange-red more or less 

 marbled with ash-colour ; the tubercles on the middle one 

 of the three ribs, which run parallel to the margin, are 

 slightly raised, and five or six are perforated. 



IMPERFORATA. 17. Shell ovatc-oblong, convex, im- 

 perforate, with tuberculated ribs, and the 

 spire exserted. 



Haliotis imperforata. Chemnitz, x. p. 309. t. l66. f. 1600 



and 1601. Gmelin, p. 3690. Brookes's Introd. p. 135. 



t. 9. f. 120. 

 Stomatia Phymotis. Helbins Abhand. Boehm. Privat. iy. 



p. 124. t. 2. f. 34 and 35. Lamarck Syst. des Anim. 



p. 96. 

 Auris antiqua. Mus. Geversianwn, p. 250. 

 L'Oreille de Mer en Buccin. Favanne, i. p. 592. t. 5. f. F. 

 Lister Conch. 1. 1056. f.6 and 7. 

 Inhabits the East Indian Seas. Chemnitz. 

 Shell about ten or eleven lines long, and not much more than 

 half as broad, of a whitish dull ash-colour, and is distin- 

 guishable by its want of any perforations. 



