HALIOTIS. 1013 



has the first whirl considerably elevated ; the tubercles are 

 very prominent and niunerous, and about seven are perfor- 

 ated ; the inside is uneven, and very pearly. 



IRIS. 13. Shell ovate, convex, ventricose, with 

 obsolete longitudinal plaits and tiiinsverse 

 wrinkles, and the inside highly iridescent. 



Haliotis Iris. Martyn Universal Conch, ii. t. 61. Gmelin, 



p. 3691. 

 Haliotis Iridis. Chemnitz, x. p. 317. t. 16?. f. l6l2 and 



1613. 

 L'Oreille de Mer de la Nouvelle Zelande. Favanne, i. 

 p. 585. 

 Inhabits the coasts of New Zealand. Martyn. 

 Shell four or five inches long, and about two-thirds as broad, 

 of a yellowish brown colour more or less mottled with 

 olive ; it is distinguishable by being more convex and ven- 

 tricose than any of the preceding species, and by the re- 

 markably brilliant and variable colours on its inside ; it has 

 about six perforations, and the others which have been 

 closed are less conspicuous than is usual in this Genus. 



CRACHERODiT. 14. Shell roundish-ovate, nearly 

 smooth, of a bluish black colour, and the in- 

 side iridescent. 



Haliotis Cracherodii. Leach Zool. Misc. i. p. 131. t. 58. 



Inhabits the coasts of California. Leach. 



Shell about three inches and three-quarters long, and three 

 inches broad, and is distinguishable by its general smooth- 

 ness and dark colour ; the specimen now before me has 

 eleven perforations, and the remains of the others are per- 

 fectly flat, and not very conspicuous. 



oviNA. 15. Shell roundish, depressed, wrinkled 

 and plaited, with three elevated approximated 

 ridges, of which the middle one is perforated; 

 spire large. 



Haliotis ovina. Chemnitz, x. p. 315. 1. 166. f. 1609- Gmg' 

 lin, p. 3691. 



Inhabits 



Shell about an inch and a half long, and nearly equally troad, 

 of a chestnut-colour marbled with white ; it has three ele- 

 vated ridges near the margin, of which the middle one con- 



VOJ.. II. 2 F 



