OF CONCHOLOGY. 25 



Subgenus, CALLITHKA, Swains. 



M. EXILE, Gabb. — J. A. N. Sciences, iv., 2d series, p. 383, t. 

 67, f. 23, Texas. 



FUSIMITRA, Conrad. 



F. CELLULIFERA, C. — J. A. N. Sciences, i., 2cl series, p. 119, t* 

 12, f. 3. Vicks. 



F. coNQUisiTA, C. — J. A. N. Sciences, i., 2d series, p. 119, 1. 12, 

 . f. 1. Vicks. 



M. Millingtoni, C. — Proceed. A. N. Sciences, vii., p. 261. 

 Wailes' Geol., Miss., pi. xvi., f. 5. Jackson, Miss. 



F? LixEATA {Mitra.) Lea. — Cont. to Geol., p. 168, t. 5, f. 171:. 

 Claib. 



F ? MINIMA {Mitra.,) Lea.— /&/d, t. 6, f. 175. Claib. 



F ? PEEEXILIS {Mitra.,) C. — Foss. Shells of Tert., p. 46. 2d edi- 

 tion, p. 42, t. 16, f. 7. Claib. 



CONOMITRA, Conrad. 



C. FUSOIDES {Mitra.,) Lea. — Cont. to Geol., p. 169, t. 6, f. 176. 



C._Foss. Shells of Tert., p. 42. t. 16, f. 8. Claib. 

 C. STAMINEA {Mitra.,) C. — J. A. N. Sciences, i. 2d series, p. 



120, t. 12, f. 4. Vicks. 

 C. VlCKSBUEGENSlS {Mitra.,) C. — Ihid.^ p. 120, 



MARGINELLID^. 



ERATO, Risso. 



E. CRASSILABRA {Marginella,) C. — Foss. Shells of Tert., 33, 

 2d edition, p. 45, t. 16, f. 13. Claib. 

 M. anatina, Lea.- — Cont. to Geol., p. 176, t. 6, f. 186. 

 E ? CONSTRICTA {Marginella,) C. — Foss. Shells of Tert., p. 46, 



t. 16, f. 15. Claib. 

 E. HUMEROSA {Marginella,) C. — Foss. Shells of Tert., p. 45, t. 

 16, f. 14. Claib. 

 Marg. crassilahra, Lea'^Cont. to Geol., t. 6, f. 188. 



VOLUTELLA, Swains. 



V. LARVATA {Marginella,)G. — Foss. Shells of Tert., p. 33, 2d edi- 

 tion, p. 45, t. 16, f. 12. Claib. 

 Marginella ovata, Lea. — Cont. to Geol., p. 179, t, 6, f. 191. 

 Marginella semen, Lea. — Ibid., f. 190. 



CASSIDID^. 



SEMICASSIS, Klein. 



S. BREVicosTATA {Cassis,) C. — J. A. N. Sciences, vii., p. 146. 



Claib. 

 S. c.ELATURA {Cassis,) C. — Ibid., i., 2d series, p. 119, t. 11, f. 



44. Vicks. 



