122 LITTORINIDiE. 



sides of the body ; the tentacles are very long and seta- 

 ceous, with a similar black bar to that in Rissoa ulvee 

 below their tips." 



It appears to be a widely distributed, but nevertheless 

 rather scarce species. It inhabits the laminarian zone and 

 the shore near low-water-mark. The Channel Isles, 

 Herm (S. H.) ; Tenby (Lyons) ; Whitesand Bay (Jef- 

 freys) ; Land's End (Barlee) ; Whitley, Northumberland 

 (Fryer in Alder Cat.). Laskey found it in the east coast 

 of Scotland at Dunbar, and Macgillivray records it from 

 the Buchan Coast. In some places on the north, east, and 

 west coasts of Ireland (W. Thomson). 



It ranges to the Mediterranean. 



R. cFNGiLLus, Montagu. 



Oval-conic, usually with three coloured zones on the body, 

 which is girt with obscure rounded costellar strioe; whorls flattish ; 

 mouth oval-pyriform. 



Plate LXXIX. iig. 9, 10, and (Animal), Plate J. J. fig. 4. 



Helix pella, Linn. Syst. Nat. eel. 12, p. 1249. ? 



Turbo cingillus, Mont. Test. Brit. vol. ii. p. 328, pi. 12, f. 7; Suppl. p. 125.— 

 Maton and Rack. Trans. Linn. Soc. vol. viii. p. 165. — Turt. 

 Conch. Diction, p. 205. — Dili.w. Recent Shells, vol. ii. p. 84L 

 — Wood, Index Testaceolog. pi. 31, f. 61. 

 „ ■cittatus, Donovan, Brit. Shells, vol. v. pi. 178, f. 1. 



„ (/rapkicus, Turton, Conch. Diction, p. 200, f. 34. — Brown, Mem. 

 Werner. Soc. vol. ii. pt. 2, p. 521, pi. 24, f. 6. 

 Cinyula cin<jilla, Fi.eriing, Brit. Animals, p. 309. 



Rissoa cinyilus, Michaud, Especes de Rissoa, p. 14, f. 19, 20. — Potiez and 

 Mich. Gal. Douai, Moll. vol. i. p. 268. 

 „ rupestris, Forbes, Ann. Nat. Hist. vol. v. p. 107, pi. 2, f. 13. — Brit. 



Marine Conch, p 184. 

 „ vittaia, Recluz, Revue Zool. Cuvier. Soc. 1843, p. 10. 

 „ cingillata, Macgilliv. Moll. Aberdeen, p. 328. 

 Cinyula cinijillatu, Brit. Marine Conch, p. 182, f. 51. 

 fiissoa ymjjMca, Brown, Illiist. Conch. G. B. p. 12, pi. 9, f. 83. 

 Pymmis cingillus. Brown, Illust. Conch. G. B. p. 15, pi. 9, f. 73. 



