OF CONCHOLOGY. 31 



PLATYOPTERA, Conrad. 



P. EXTE1<!TA (Aporrhais,) C. — Proceed. A. N. Sciences, vii./p; 

 260. Waifes' Geol. t. 16, f. 8. 



APORRHAIS, Petiver. 

 Subgenus, ALIPES, Conrad. 



A. LTRATUS {Ohenopus,) C. — J. A. N. Sciences, i., 2d series, p. 

 117, t. 11, f. 35. Vicks. 



CALYPTRAPHORUS, Conrad. 



C. STAMINEUS {EosteUaria,) C. — Proceed. A. N. Sciences, j). 



260. Wailes' Geol. Miss., t. 16, f. 9. Jackson. 

 C. TRiKODiFERUS, C. — J. A. N. Sciences, iv., 2d series, p. 47, 



f. 29. Proceed. A. N. Sciences, 185.7, p. 166. Alabama. 



Older Eocene ? 

 C. VELATUS {Hostellaria,) C— Foss. Shells of Tert., p. 81, 2d 



edition, p. 38, t. 15, f. 4. Claib. 

 Rostellaria Lamarckii, Lea. — Cont. to Geol., p. 158, t. 5, f. 



164- Claib. 



RIMELLA, Agaz. 



E. LAQUEATA {RostelUria,) C. — Foss. Shells of Tert., p. 41. 2d 

 edition, p. 38, t. 15, f. 5. Claib. 

 Rost. Cuvieri, Lea. — Cont. to Geol., p. 160, t. 5, f. 165- 

 Rimella laqueata, C. — Proceed. A. N. Sciences, 1857, p. 166. 



CYP^EID^E- 



CyPR.EA, Lin. 

 Subgenus, CYPRiEORBlS, Conrad. 



C. SPH.EROIDES, C. — J. A. N. Sciences, 2d series, p. 11, t. 113, 

 f. 6. Vicks. 



Subgenus, SULCOCYPR^A. Conrad. - 



C. LTNTEA, C. — J. A. N. Sciences, i., 2d series, p. 11, t. 113, 

 f. 7, and t. 13, f. 4. Vicks. 



CYPR^DIA, Swains. 



C. FENESTRALTS, C. — Proceed. A. N. Sciences, vii-, p. 262 — 

 Wailes' Geol. Miss-, t. 17, f. 5. Jackson, Miss. 



CANCELLAEID^. 



CANCELLARIA, Lam. 



C. ALVEATA, C. --Foss. Shells of Tert., p. 45. 2d edition, p- 44, 

 t. 16, f. 9. Claib. 

 G. sculpturata, Lea. — Cont. to Geol., p. 140, t. 5, f. 137. 

 C. BABYLONICA, Lea. — Cont. to Geol., p. 139, t. 5 f. 134. — 



Claib. 

 C. cosTATA, Lea. — Cont. to Geol., p. 141, t. 5, f. 140- Claib. 



