SCURRIA. 



459 



Syn. Acmsea, Eschscholtz. Patelloida, Quoij and 

 Gaimard. Lottia, Gray. 



Ex. T. testudiualis, M'uller, pi. 52, fig. .3, 3, a. Shell, 

 T. testudinalis, fig. 3, h. 



Species of Tectura are found in Western America, 

 Australia, and on the shores of northern countries ; they 

 range from low-water to thirty fathoms. 



Species of Tectura. 



aeruginosa, Midd. 



alveus, Couth. 



ancylus, Esch. 



araueosa, Gould. 



Asmi, Midd. 



cassis, Eschr. 



conoidea, Quoy and Gaim. 



conspicua, Phil. 



cymbiola, Gould. 



digitalis, Eschr. 



discors, Phil. 



elougata, Quoxj and Gaim. 



flammea, Quoij and Gaim. 



fragilis, Quoy and Gaim. 



fungus, Meusch. 



leucopleura, Gmel. 



limbata, Phil. 



melanoleuca, Gmel, 



melanosticta, Gmel. 



mitella, Mke. 



orbicularis, Quoy and Gaim. 



parasitica, D'Orb. 

 patina, Eschr. 

 persona, Eschr. 

 personoides, Midd. 

 pileolus, Midd. 

 pileopsis, Quoy and Gaim. 

 pintadina, Gmel. 

 pustula, Helb. 

 rugosa, Quay and Gaim. 

 scabra, Gould. 

 septiformis, Quoy and Gaim. 

 squamosa, Quoy and Gaim. 

 stellaris, Quoy and Gaim. 

 striata, Quoy and Gaim. 

 subrugosa, D'Orb. 

 testudinalis, Miill. 

 textilis, Gould. 

 variabilis, Sow. 

 vii'ginea, MUll. 

 viridula. Lam. 



Genus SCURRIA, Gray. 



Mantle-margin with a series of lamellar papillae ; foot 

 oval, thick. 



Shell elevately-conical, solid, surface smooth ; apex 



