LITTORINA. 



313 



numerous in species, and are found in all parts of the 

 world ; a few kinds are extensively used for food, as the 

 "Periwinkle." 



Species of Littorina. 



aberrans, Phil. 



acuminata, Gould. 



albicans, Metcalfe. 



albida, Phil. 



atrata, C. B. Adams. 



caliginosa, Gould. 



castanea, Adams and Reeve. 



cingulata, Phil. 



columna, Jonas. 



conica, Phil. 



debilis, Phil. 



exarata, Phil. 



fabalis, Turt. 



fasciata. Gray. 



filosa, Sow. 



flammea, Phil. 



glabrata, Phil. 



graudis, Midd. 



globosa, Dkr. 



Groenlandica, Chem. 



Jamaicensis, C. B. Adams. 



Kurila, Midd. 



laevis, Phil. 



lemniscata, Phil. 



lepida, Gould. 



limata, Loven. 



limax, Martyn. 



littorea, Linn. 



lunata, Miyh. 

 Malaccana, Phil. 

 mespilum, Miihif. 

 modesta, Phil. 

 nigroliueata. Gray. 

 obliquata, Say. 

 obesa, Sow. 

 pallescens, Phil. 

 palliata, Say. 

 patula, Jefr. 

 plena, Gould. 

 porcata, Phil. 

 rudis, Donov. 

 rugosa, Mke. 

 saxatilis, Donov, 

 Sayii, Phil. 

 scutulata, Gould. 

 Sieboldii, Phil. 

 Sinensis, Phil. 

 Sitchana, Phil. 

 squalida, Brod. and Sow. 

 subtenebrosa, Midd. 

 sulcata. Lam. 

 sulculosa, Phil. 

 tenebrosa, Mont. 

 tenuis, Phil. 

 varia, Sow. 

 ventricosa, Phil. 



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