Conchifera ^QQ Modiola. 



nitens, Forbes, Sp. (Mytilus), Gabb, 1861. India. C. 



Orbignyana, P.&K. Sp. " " '^ Fr. G. 



ornatissima, d'Orb. Sp. '' " " Fr., Portugal. U. G. 



ovata, Gabb, Jour. Acad. 2d s. vol. iv, 396, 68, 31. N. J. 0. 



parellela, Sow. (Ctenoides), M. Con. pi. 9. 



Pedernalis, Roem. Kreid. Tex. 54, 7, 11. Tex. C. 



polygona, d'Orb. Sp. (Mytilus), Gabb, 1861. India. C. 



peregrina, d'Orb. Sp. " " " Fr. U. G. 



pulcherrima, Roem. Nord. Kreid. 66, 4, 14. G. iV. 



quadrata. Sow. Dixon's Geol. Sussex. 347, 28, 13. E. C. 



Reussii, d'Orb. Sp. (MytHus), Gabb, 1861. G. C\ 



Rhodani, P. &■ R. Sp. " '' " Fr. G. 



reversa, Sow. in Fitt. G. T. 2d s. vol. iv, pi. 17, f. 13. E., Fr. 



U. G. 

 Reqvieniana, Math. (Myoconcha), Catal. 177, 28, 3-4. 

 rugosa, Roem. Nord. Kreid. p. 67. G. N. 



Saffordii, Gabb, Jour. Acad. 2d s. vol. iv, 395, 68, 30. Tenn. C. 

 semiornata, d'Orb. Sp. (Mytilus), Gabb, 1861. Fr. U. G. 



siliqua. Math. Catal. 178. Fr. U. G. 



simplex^ Desh. not Defr. (subsimplex), M. G. S. F. vol. v, pi. 



7, f. 8. 

 Socomina, d'Orb. Am. Merid. 90, 18, 18. N. Gren. 

 solutus, Dujard. M. G. S. F. vol. ii, 225, 15, 13. ] 

 striato-costata, d'Orb. Sp. (Mytilus), Gabb, 1861. 

 subangustus, d'Orb. Sp. " " " 



subarcuatus, d'Orb. Sp. " ^' *' 



sublineatus, d'Orb. Sp. " " " 



subsimplex, d'Orb. Sp. " " " 



tetragona, Reuss, Bohm. Kreid. 15, 33, 6. G. 

 undulata, Forbes, Sp. (Cypricardia), Gabb, 1861. 

 typica, Forbes, Sp. (Mytilus), Gabb, 1861. India. 



Mya, Linn. 1758. 



dejyressa, Phil. (Thracia subdepressa), Geol. York, pi. 2, f. 8. 

 depressa, Phil. (T. recurva), Geol. York, p. 93. 

 laeviiiscidaj Sow. (Panopaea), G. T. 2d s. vol. iv, 241, 16, 6. 

 2)haseoUna, Phil. (Lavignon), Geol. York, 93, 2, 13. 

 mandibula, Sow. (Panopaea), M. Con. 43. 



