274 TELLINID^E. 



(Hiimpliroys and Jeft\ cab.). In Scotland it occurs abun- 

 dantly and of large size in Loch Ryan (Nicol) ; Dunbar 

 (Laskey), Sec. ; Islet of Herm near Guernsey (S. H.). 



A livid variety is sometimes met with, and valves with 

 a purple interior occur at Ullapool (Jeffreys). 



It ranges along the south-western and southern shores of 

 Em'ope. 



P. Ferroensis, Chemnitz. 



With raised concentric strife, which are decussated behind by 

 a few elevated radiating lines. 



Plate XIX. fig. 3. 



TelUna incarnatu, Pknn. (not Linn.) Brit. Zool. ed. 4, vol. iv. p. 88, pi. 47? 

 f. 31. 



• radiata, Da Costa (not Linn.), Brit. Conch, p. 209, pi. 14, f. L 



infasciala, DoNOV. (not Linn.) Brit. Shells, vol. ii. pi. fiO. 



Ferroensis, Chemn. Conch. Cab. vol. vi. p. 99, pi. 10, f. 91 (badly). — 



PuLTENEY, Hutchins Hist. Dorset, p.29. — Linn. Trans, vol. 

 viii. p. 49.— Dorset Catal. p. 29, pi. 6, f. 1.— Turt. 

 Conch. Diction, p. 17L — Wood, General Conch, p. 164, 

 pi. 45, f. 1. — DiLLW. Recent Shells, vol. i. p. 77. — Lulcx 

 Testaceol. pi. 4, f. 36.— Mawe, Conch, pi. 6, f. 1. 



iruncaia, Spengler (not Linn.), Skriv. Nat. Selsk. vol. iv. part 2, p. 10. 



/erve?isis, Gmel. Syst. Nat. p. 3235. — ]\Iont. Test. Brit. p. 55. 



Psammobia Feroensis, Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 172. — Turt. 

 Dithyra Brit. p. 94, pi. 8, f. 1. — Flem. Brit. Anim. 

 p. 438.— Macgill. Moll. Aberd. p. 284.— Brit. Ma- 

 rine Conch, p. 64. — Brown, Illust. Conch. G. B. p. 

 101, pi. 40, f. 1, 2.— Sowerby, Conch. Manual, f. 

 100.— Desh. Elem. Conch, pi. 13, f. 9, 10.— PiiiLnTi, 

 Moll. Sicil. vol. i. p. 23, pi. 3, f. 7 ; and vol. ii, p. 20. 

 — Hanl. Recent Shells, vol. i. p. 57. 

 Encyclopedic Methodique, Vers, pi. 227, f. 5. 



From the peculiar character of its sculpture, the P. Fer- 

 roensis incurs but little risk of being confounded with any 

 other of its genus, either native or foreign. It is of an 

 elongated oblong figure, much compressed, tolerably strong, 

 opaque, nearly equilateral, and with the valves more or 



