- 368 — 



Br. Conch. II p. 296 T. 35, F. 7. - Hidalgo Esp. T.40, F. 1. 2. — 



Locard Cat. p. 454. 

 Cardium laevigatum Peunant Br. Zool. IV p. 91 T. 51, F. 40 nec 



L. — Philippi Enum. I p. 50. 

 Cardiiim serratum Lam. VI p. 401 uec L. 

 Cardium oblongum Brown III. Conch. T. 35, F. 6, nec Gmel. — 



Reeve sp. 71. 

 Cardium vitellinum Eeeve Conch. icon. sp. 37. 

 Cardium Pennanti Reeve Conch. icon. sp. 48. 



Hab. e mediterraneo usque ad Norvegiam mediam. 



20. Cardium oblongum Chemnitz. T. oblonga, 

 inaequilatera, postice longior, obliqua, turgida, solidula, epider- 

 mide ilavo-virente induta, sulcis fere 20 parum profundis, sed 

 quam in praecedente multo distinctioribus, antice evanescentibus 

 sculpta, postice plana, laevis; cardo sicut in C. norvegico. — 

 Diam. 48, alt. 56 Mm. 



Cardium ohlongnm Chemnitz Concli. Cab. VI T. 19, P. 190. — Desh. 



Lam. VI p. 401 note. — Weinkauff Mittelm. p. 149. — Hidalgo 



Esp. T. 40, F. 1, 2. — Locard Cat. p. 455. 

 Cardium flavum Born Test. Vind. p. 47 T. 3, F. 8, nec L. — Poli 



Test Sicil. p. 63 T. 17, F. 9. 

 Cardium sulcatum Lamarck VI p. 401. — Philippi Enum. I p. 50. — 



Reeve Conch. icon. sp. 79. - Blaiuville Faune fr. T. 8, F. 8. 

 ? Cardium crassum Gmelin ed. 13 p. 3254. 



Hab. mare mediterraneum. 



3. Genus Isocardia Lamarck. 

 (Bucardium Miihlf.). 



T. aequivalvis, cordata, ventiicosa, umbonibus distantibus 

 spiraliter invokitis; dentes cardinales 2 lamellares intrantes, 

 alter margini parallelus, alter curvatus; dens lateralis 1 posti- 

 cus; ligamentum externum, antice bifurcatum. 



Isocardia cor Linne. T. cordata, subglobosa, sohda, 

 haud nitens, subtihter concentrice striata, sub epidermide 

 castanea subtihssime cihosa lutescenti-alba , in junioribus rufo- 

 fusco variegata; margo anterior cum dorsah prominente anguhim 

 formans, posterior oblique truncatus ; umbones excentrici, recurvi, 

 spirahter intorti; lunula late excavata, haud detinita; areanuha; 

 margo integer. — Diam. ad 100 Mm. 



Chama cor Linne ed. 13 p. 1137. — Chemnitz Conch. Cab. VII 



T. 48, F. 483. - (Is.) Poli Test. Sicil. II T. 23, F. 1— 3._ — 



Lam. VI p. 445. — Philippi Enum. I p. 56. — Reeve Conch. icou. 



sp. 3. - Forbes et Hanley I p. 472 T. 34, F. 2. — Sow. III. 



Ind. T. 5, F. 3. — Weinkauff Mittelm p. 128. — Jeffrevs Br. 



Conch. II p. 298 T. 36, F. 1. - Loven Ind. p. 36. - Hidalgo 



Esp. T. 49, F. 1. 2. - Locard Cat. p. 446. 

 Bucardia communis Schumacher Essai p. 143 T. 13, F. 2. 

 Var. = Isocardia hibernica Reeve Conch. icon. sp. 4. 



Hab. e mediterraneo usque ad Norvegiam mediam. 



