OF CONCHOLOGY. 7 



D. SUBCRASSA {Gytherea,)Leii. — Cout. to GeoL, p. 67, t. 2, f. 43. 



Claib. 

 D. SUBIMPRESSA {Gytherea,) C. — J. A, N. Sciences, i., 2d series. 



p. 130, t. 14, f. 26. Yicks. 

 D. UVASANA {Meretrix,) C. — Ex. and Surveys ; Eailroad Route 



to Pac. v., p. 320, t. 2, £ 3. California. 



CYTHERIOPSIS, Conrad. 







C. HYDANA {Qytherea,) C— Foss. Shells of Tert., p. 36. 



Oratelupia MouUnsii, Lea. — Cont. to Geol., p. 59, t, 2, f 33. 



CARDIUM, Lin. 

 Subgenus, CERASTODERMA, Poli. 



C. EVERSUM, C. — J. A. N. Sciences, i., 2d series, p. 122, t. 12, 



f. 18. Vicks. 

 C. ViCKSBURGENSE, C. — Ibid., t. 12, f. 16. Vicks. 



Subgenus, TRACHYCARDIUM, Morch. 



C. GLOBOSUM, C. — J. A. N. Sciences, i., 2d series, p. 122. 



PROTOCARDIA, Beyrich. 



P. GAMBRINA, Gabb. — Proceed. A. N. Sciences, 1861, p. 371. 



Texas. 

 P. Di VERSA {Gardium,)G. — J. A. N, Sciences, 2d series, p. 122, 

 t. 13, f. 8. Vicks. 

 P. diversa, Gabb. — Proceed., 1861, p. 370, Texas, 

 P. LIMA, 0. — Amer. Jour. Conch., 1865 Enterprise, Miss. 

 P. ISTicoLETi {Gardium,) C. — J. A. N. Sciences, viii., p. 190. 

 Louisiana. 



L^VICARDIUM, Swains. 



L. LiXTEUM {Gardium,) 0. — Ex. and Surveys ; Railroad Route 

 to Pac. v., p. 320, t. 2, f. 1. California. 



CHAMID^, 



CHAMA, Lin. 



C. MississiPiENSis, C. — J. A. N. Sciences, i., 2d series, p. 124, 

 t. 13, f. 21, 27. Vicks. 



VENERICARDIA, Lam. 



V. ALTICOSTATA {Gardita,) C. — A. J. Science xxiii., p. 342, 



Jan. 1833. Claib. 

 V. transversa, Lea.— Cont. to Geol. p. QS, t, 2, f, 46, 1834. 

 V. ASCiA, Rogers. — Trans. A. P. Science, vi., p. 374, t. 29, f, 



2. Virginia. — Ibid. 

 V? BiLiNEATA {Gardita,) C. — -J. A. N". Sciences, i., 2d series, p. 



128, t. 14, f, 9. South Carolina. 

 V. BLANDiNGi, C— J. A. N. Sciences, vi., p. 229, t, 9, f. 20. 



South Carolina. 



