LITTOIMNTDJl. 135 



6. Eamily LITTOEINID^, Gray. 



Genus LITTORINA, Ferussac. 



Tabl. Syst. 1821, type L. litorea, Lin. ; sect, = Neritoides, Brown, type 

 L. oltusata, Lin. ; sect. = Melaraphe, MiiMfeld, type L. neritoides, 

 Lin. ; sect. = Littorinop sis, MorcTi, Mai. Bldt. 1876, type L. angulifera, 

 LamarcJc. 



1. Littorina littorea. 



Turbo littoreus, Linnaeus, Syst. Nat. X, 1758, Norioay ; Jeffreys, 1865, 

 vars. paupercula, brevicula, turrita and sinistrorsa. 



4 Montrose; ex c. As. Soc. Bengal [34, 25^]. 

 10 England, Dunkirk, &c. ; ex c. Dr. F. Stoliczka. 

 2 N. France; coll. P. Bouvier, Esq. 



2. Littorina rudis. 



Turbo rudis, Maton, Linn. Soc. Trans. VIII, 1807 ; fide Jeffreys, vars. 

 = L. saxatiUs, Johnston= Turbo sulcatus, Leach = Turbo jugosus, Mtg. 

 and vars. globosa, similis, Icevis and compressa, also = L. sitchensis, 

 FMl. = L. groenlandica, Menke. 



20 Dunkerque, England, <^c. ; ex c. Dr. F. Stoliczka, &c. 

 1 Port Said; coll. J. B. Baxter, Esq. 



var. saxatilis. 



Littorina saxatilis, Johnston, Trans. Berwick Soc. 1838, 

 1 Tilbury ; ex " LinnaBa." 



var. patula. 



Littorina patula, Jeffreys, Thorpe, Brit. Mar. Conch., 1844. 

 50 United States ; ex c. Prof. W. Newcomb, &c. 



var. tenebrosa. 



Turbo tenebrosus, Montagu, Test. Brit. II, 1803 ; var. of L. rudis, fide 

 Jeffreys. 



50 United States ; coll. Prof. E. C, Stearns, &c. 

 4 Prince Edward's Island ; coll. G. Nevill, Esq. 



