256 SOLECURTID.E. 



closely resembling Phorus, a genus of Gasteropoda, we do 

 not adopt it here. 



0. LEGUMEN, Linnrens. 



Plate XIII. fig. 2, (under the name o{ Solcn legumen), and (animal) 

 Plate I. f. 4. 



Lister, Hist. Conch, pi. 420, f. 2G4. 



Solen legumen, Linn. Syst. p. 1114. — Penn. Brit. Zool. ed. 4, vol. iv, p. 84, 

 pi. 46, f. 24.— Da Costa, Brit. Conch, p. 238.— Donov. Brit. 

 Shells, vol. ii. pi. 53.— Dorset Catal. p. 29, pi. 4, f. 4.— Mont. 

 Test. Brit. p. 50. — Linn. Trans, vol. viii. p. 45. — Turt. Conch. 

 Diction, p. 162. — Flem. Brit. Anim. p. 459.— Brit. Marine 

 Conch, p. 36.— Born, Mus. Ctes. pi. 2, f. 1, 2.— Chemn. 

 Conch. Cab. vol. vi. p. 49, pi. 5, f. 32, 33, 34.— Woon, Gene- 

 ral Conch, p. 124, pi. 28, f. 4.— Poli, Test. Sicil. vol. i. pi. 

 ] 1, f. 15. — DiLLW. Recent Shells, vol. i. p. 60. — Lam. Anim. 

 s. Vert. (ed. Desh.) vol. vi. p. 57. — Woodarch, Conch, ed. 2. 

 pi. 1, f. 9.— Index Testae, pi. 3, Solen, f. 8.— Philippi, Moll. 

 Sicil. vol. i. p. 4, and vol. ii. p. 5. — Desh. Elem. Conch, pi. 6, 

 f. 8, 9, 10.— Hanl. Recent Shells, p. 13, pi. 3, Solen, f. 8.— 

 Chenu, 111. Conch. Solen, pi. 2, f. 1. — Desh. Exp. Scien. 

 Alger. Moll. p. 185. 



PsammoUa ■ , Turt. Dithyra Brit. p. 90. 



Solcnocurtus , Brown, 111. Conch. G. B. p. 113, pi. 47, f. 8, 9, 9.* 



Solen ffousse, Chenu, Traite Elera. p. 42, f. 132 (hinge). 



Encyc. Meth. vers. pi. 226, f. 3. 



This graceful bivalve is of an elongated shape, the 

 length averaging about four-and-a-half times the width 

 of the shell. The valves are very fragile, thin, more or 

 less transparent, greatly compressed, whitish, and covered 

 with a polished light greenish-yellow epidermis, beneath 

 which the surface is almost smooth, or at most concentri- 

 cally striolated. The ventral margin is almost straight 

 for the greater part of its extent, if anything slightly retuse 

 near the middle, and rounding off at each extremity ; to 

 this the dorsal edges run nearly parallel, but both converge 

 a little anteriorly, so that the anteal extremity is the more 

 tapering; both the front and hinder dorsal edges are almost 



