SMITH ON THE AGE OF THE TERTIARY BEDS OF THE TAGTTS. 413 



Cardium paMcicostatum, G. B. S. 



pholadiforme, n. sp., PL XV. figs. 6, 7. 



latisulcatum, n. sp., PI. XV. figs. 4, 5. M. Agassiz informs 



me that it is common in tlie Molasse. 

 Venericardia Jouannetti^ Bast. pi. 5. fig. 3 ; G. B. S. Fossil in 



Italy, Bordeaux, Vienna. Ponnd by Mr. Sharpe at Adi9a. 

 Area suhrostrata, Sowerb., n. sp., PI. XV. figs. 8, 9. Agrees with 



a specimen from Bordeaux in my collection. 

 Pectunculus pulvinatus, G. B. S. Fossil at Bordeaux and Touraine. 



Recent. 



Nucula ? A fragment too imperfect to determine the species. 



Mytilus ? A fragment. 



Meleagrina. A cast resembling M. margaritifera. 



Pinna affinis. G. B. S. 



Pecten ambiguus, Goldf. ? G. B. S. 



maximusi G. B. S. Recent. 



sqiiamulosus, Virlet and Boblaye, pi. 5. fig. 9. Fossil in the 



Morea. 

 — "^ PandorcE, Virlet and Boblaye, pi. 2. figs. 12, 13, 14. Fossil 



in the Morea. See also Mr. Sowerby's description and figure, 



PL XIX. fig. 22. 



multiradiatus, Bast. Fossil in Italy and Bordeaux. 



scahrellus. Bast. (P. duhius^ Broc. pi. 16. fig. 16.) Fossil in 



Piedmont, Bordeaux and Touraine. Recent. 



— Burdigalensis, Bast. Fossil at Bordeaux. 



striatus, Sowerb. Min. Con. pi. 394. fig. 2, 3, 4. Fossil in the 



Crag and Touraine. Recent. 



complanatusi Sowerb. Min. Con. pi. 586. Fossil in the Crag. 



Beaudanti, Bast. pi. 5. fig. 1. A. 



^ tenuisulcatus, n. sp., PL XVIII. figs. 19, 20. 



conjux, Sowerb., n. sp., PL XVII. fig. 17. 



Josslingii, n. sp., PL XVI. figs. 10, 11, 12. This shell resembles 



the P. arcuatus of Brocchi, pi. 14. fig. 11, but is larger and has 



fewer ribs. It agrees very nearly with one from the Maestricht 



beds {Peigne bombe), Faujas, and is probably the same as that 



found in the Molasse by M. Elie de Beaumont, said to be " voisin 



du P. arcuatus de Brocchi, mais plus grand," ^ Recherches,' &c., 



p. ^7. 



fr at er cuius, n. sp., PL XVI. figs. 13, 14. 

 expansus, n. sp., PL XVIII. fig. 21. It agrees with a specimen 



from Bordeaux in my collection. 

 . Fragments of a Pecten resembling the last, but with the ribs 



elevated externally, which are perfectly smooth in P. expansus ; 



about eleven in number. It is transversely striated and subdia- 



phanous. 

 — acuticostatus, n. sp., PL XVII. fig. 18. 



Macrotis, n. sp., PL XVII. fig. 15. 



■ . giganteus, n. sp., PL XVII. fig. 16. 



Spondylus quinquecostatus, Virlet and Boblaye, pi. 2. fig. 2, Fossil 



in the Morea. 



2f2 



