PnOLAS. Ill 



even in pure sand, &c. Among its numerous localities we 

 may mention Margate, and most parts of the Kentish 

 coast (S. H.) ; Hastings (S. H.), Weymouth (S. H.), Ex- 

 mouth (Clark), Lyme Regis (E. F.). In Wales it is 

 found in Cardigan and Swansea Bays (Jeffreys). In Ire- 

 land, at Belfast and Dublin Bays (Thompson), coast of 

 Cork (R. Ball), and Ballycotton Bay (Jeff. Cab.). It is of 

 rare occurrence on the coast of Scotland ; Frith of Forth 

 (Laskey), Clyde (Smith). It occurs fossil in (true) raised 

 beaches on the coast of Ayrshire. It ranges throughout 

 the European seas. 



Pholas parva, Pennant. 



Valves beaked ; surface not divided by a radiating sulcus 

 front dorsal edge recurved, but not cellular ; dorsal plate single. 



Plate IV. figs. 1, 2, and Plate II. fig. 2, and (Animal) Plate F. f. 3, and 3, A. 



Pholas parva, Penn. Brit. Zool. ed. 1, vol. iv. p. 77, pi. 40, f. 13. — Mont. Tost. 

 Brit. p. 22, pi. 1, f. 7, 8.— Linn. Trans, viii. p. 33.— Turt. 

 Conch. Diet. p. 143 ; Dithyr. Brit. p. 9. — Flem. Br. Anim. p. 

 457.— Br. Marine Conch, p. 32, f. 71.— Brown, 111. Conch. G. 

 B. p. 115, pi. 48, f. 11, 12.— Wood. General Conch, p. 82.— 

 DiLLW. Recent Shells, vol. i. p. 38. — Hanl. Recent Shells, p. 5, 

 „ cremdata, Spexgl. Skrivt, Naturhis. Selsk. vol. ii. part 1. p. 92. 

 „ dactyloidcs. Lam. Anim. s. Vert. ed. 2, vol. vi. p. 45, (description not 



note). 

 „ li(/airw7itina, Desh. Elem. Conch, pi. 3, f. 11, 12. 



„ tubercidaia, Turt. Dithyr. Brit. p. 5, pi. 1, f. 7, 8. — Flem. Br. Anim. p. 

 457.— Brown, 111. Conch. G. B. p. 1 15, pi. 49, f. 12, 13. 

 — Brit. Marine Conch, p. 30. — Ind. Testae, sup. pi. 1, Phol. 

 f. 2.— Hanl. Recent Shells, p. 9, sup. pi. 1, Phol. f. 2. 



In common with all our English Pholades, and, indeed, 

 with the mass of known species in this genus, the shell we 

 are describing is of a lustreless white, often stained, how- 

 ever, with brick-red, from the nature of its habitat. It is 

 elongated oblong, thin, fragile, gibbous in front, and then at 



