CARDIUM. 25 



0. FAsciATUM, Montagu. 



Small, tliin, oblique ; ribs scarcely raised, only divided from 

 each other by linear spaces, the central ones devoid of sculpture, 

 the hinder ones prickly : umbonal slope not angulated. 



Plate XXXII. fig. 5, and (Animal) Plate N. fig. 4. 



Cardium fasciutum, Mont, (not Gmel.) Test. Brit. Suppl. p. 30, pi. 27, f. C. — 



TuRT. Conch. Diction, p. 32. — Flem. Brit. Anim. p. 422. 



— Brit. Marine Conch, p. 98. — Brown, Illust. Conch. G. 



B., p. 88, pi. 35, f. 11.— Wood, General Conch, p. 215.— 



DiLLW. Recent Shells, vol. i. p. 130. — Reeve, Conch. 



Iconica, Cardium, pi. 21, f. 118. — Loven, Moll. Skandi- 



naviae, p. 35 (from specimens). 

 „ elongatum (not of Bruguiere, 1792), MoNT. Test. Brit. p. 82 ! (fide Tur- 



ton, &c.) — Linn. Trans, vol. viii. p. 67 (from Mont.) — 



TuRT. Conch. Diction, p. 31 (do). — Wood, General Conch. 



p. 214 (do.). — DiLLW. Recent Shells, vol. i. p. 131 (do.). 



— TuRT. Dithyra Brit. p. 185, pi. 13, f. 9.— Flem. Brit. 



Anim. p. 422. 

 „ ovale, SowERBY, in Conchol. Illust. Cardium, No. 24. — Hanl. Recent 

 Shells, voi. i. p. 136, suppl. pi. 17, f. 45. — Ree\'e, Conch. Ico- 

 nica, Cardium, pi. 21, f. 119. 

 „ ohovale, Brit. Marine Conch, p. 96 (error for ovale). 

 „ parvum, Philippi, AIoll. Sicil. vol. ii, p. 39 ? 

 „ ruhrwn (young), Reeve, Conch. Iconica, Cardium, pi. 22, f. 124. 



The shell which we have figured and described is unde- 

 niably the C. elongcdum of Turton's quarto, of which the 

 young state alone agrees with the G.fasciatum of Montagu. 

 The language of the author of the " Testacea Britannica " 

 (who terms it compressed, and allows it but twenty-one ribs) 

 would not, in our opinion, warrant the identification of his 

 elongatum with the bivalve now before us ; but as the 

 original inadequate description is unaccompanied by any 

 figure which might enlighten us as to what was actually 

 intended, and the type has been vainly sought for in the 

 National Museum (whither the chief part of his collection 



VOL. II. E 



