8o6 TABLE 



Trigonia, 



Ornala, d'Orbigny. 



Palmata, Deshaycs. F. Trigonia rudis, Parkinson, 



Quadrala, Agassiz. F, Trigouia dxdalea, Parkinsoiii 



Robinaldina, d'Orbigny, 



Rudis, Parkinson, 



Scabra, Lamarck, 



Sinuata, Parkinson, 



Speclabilis, Sowcrby. F. Trigonia rudis, Parkinson. 



Spinosa, var., Fillon. F, Trigonia ornata, d'Orbigny, 



Spinosa, Parkinson, 



Sulcala, Agassiz. f^, Trigonia carinala, Agassiz, 



Sulcataria, Lamarck. 



u 



Umo, Rclzîus. 



Gualtieri, Fitton. f^, Unio, Martiniî. 



Marlinii, Fitton. 



Subtruncalus, Fillon, F, Unio, !\Iurtiniî. 



Venericakdia tenulcosta , Fition. K Cardila tenuicosta, 



d'Orbigny. 

 Venerupis, Lamarck. F, Petricola, Lamarck, 

 Venus, Linné. 



Arcliiaciana, d'Orbigny, 



Brongniartiana, Leymerie. 



Caperata, Sowerby, 



Ceuomanensis, d'Orbigny, 



Cornueliana, d'Orbigny, 



Cottaldina, d'Orbigny. 



Diipiuiana, d'Orbigny, 



Faba, Sowerby. 



Fragilis, d'Orbigny. V, Venus cenomanensis, d'Orb. 



Gaklrina, d'Orbigny. 



Iconensis, d'Orbigny. 



Malroucasis, d'Orbigny. 



