UNIVALVKS. HALIOTIS. 



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bright iridescent colors, which are finely contrasted with 

 a green and gold bronze-like lustre. The H. gigantea, 

 from New Holland, sometimes exceeds a foot in length. 



Two species are found in a fossil state : the H. perversa, 

 and the H. plicata, the latter near Hildesia. 



The Haliotides are found on the shores of Europe, 

 Africa, and India; where, like the limpets, they adhere to 

 the rocks, from which they are with difficidty removed, 



HALIOTIS.— i-ea Ear. 



Midae — Midas's. 

 *Tuberculata — Common. 

 Striata — Striated. 

 Varia — Rough-striated. 

 Marmorata — Marbled. 

 Asinum — Ass's. 

 Parva — Small orange. 

 Bistriata — Double-lined. 

 A ustralis — Qtdlted. 



Guineensis — Guinea. 

 Imperjorata — Imperforated. 

 Perversa — Reverse-spire. 

 Plicata — Plaited. 

 Glabra — Smooth-mottled. 

 Pulcherrima — Byron. 

 Virginea — Iridescent. 

 Ovina — Chesnut. 

 Gigantea — Gigantic. 



Iris — Iris's. 



