NATURAL SCIENCES OF PHILADELPHIA. 575 



CIRCUMPHALUS, Klein. 

 Subgenus Lirophora, Conrad. 

 C. (Venus) athleta, C. Proceed. 1862, 5S6. 

 V. papkia, Lam. (not Lin.) 



V. alveata, Say, (not Conrad,) Amer. Couch, pi. 63. 



V. latilirata, Tuomey and Holmes, (not Conrad,) Plioc. Foss. S. C. 85, 21, 

 12. Emmons, Geol. N. C. 293, 219. 

 C. (Venus) alveatus, C. Miocene Foss. 9, 5, 2. 



C. (Venus) latiliratus, ib. 68, 38, 3. 



DIONE, Gray. 



D. (Cytherea) albaria, Say, American Conch, pi. 59. Miocene Foss. 13, 8, 2. 

 D. Marylandica, C. 



D. (Cnherea) Carolinensis, C. Sillim. Journ. xli. 343. 



D. densata, Proceed. A. N. S. 1862, 586. 



D. (Cytherea) elevata, H. C. Lea, Trans. Amer. Philos. Soc. ix. 241, 34, 21. 



D. idonea, C. albaria, C. (not Say,) Miocene Foss. pi. 8. f. 2. 



D. (Cytherea) Marylandica, C. Sillim. Journ. xxiii. 343. Miocene Foss. 15,9, 1. 



D. (Cytherea) obovata, C. Journ. A. N. S. vi. 132. Miocene Foss. 14, 8, 4. 



D. (Cytherea) reposta, C. Journ. A. N. S. vii. 132. Miocene Foss. 15, 9, 2. 



Emmons, 5, 2. 

 D. (Cytherea) Sayana, C. Miocene Foss. 13, 7, 3. Tuomey and Holmes, Plioc. 



Foss. S. C. 83, 21, 9. Emmons, Geol. N. C. 294, 1. 

 C. convexa, C. (not Say,) Miocene Foss. 13, 7, J. 

 D. (Cytherea) spherica, H. C. Lea, Trans. Amer. Philos. Soc. ix. 241, 34, 22. 

 D. (Cytherea) staminea, C. Miocene Foss. pi. 21, f. 1. 

 D. (Cytherea) subnasuta, C. Miocene Foss. 72, 41, 3. Tuomey and Holmes, 



Plioc. Foss. S. C. 80, 21, 3. 

 D. Virginiana, C. Proceed. A. N. S. 1862, 586. 



Subgenus Chamelea, Klein. 



C. (V.) cancellata? Lin. Tuomey and Holmes, Plioc. Foss. S. C. 84, 21, 11. 



C. (Venus) cribraria, C. Proceed. A. N. S. i. 310. Miocene Foss. 67, 38, 2. Tuo- 

 mey and Holmes, Plioc. Foss. S. C. 83, 21, 10. 



C. (Venus) cortinaria. Rogers, Trans. Amer. Philos. Soc. v. 333. C. Miocene 

 Foss. 11, 8, 1. ' 



GEMMA. 

 G. (Venus) sphaeriea, H. C. Lea, Trans. Amer. Philos. Soc. is. 241, 34, 22. 



CIRCE. 



C. (Cyth.) raetastriata, C. Miocene Foss. 14, 8, 5. Tuomey and Holmes, Plioc. 



Foss. S. C. 79, 21, 1-2. Emmons, 293, 220. 



DOSINIA, Scopoli. 



D. (Art.) acetabulum, C. Tert. Foss. 20, 61. Miocene Foss. 29, 16, 1. 

 D. (Art.) elegans, C. Proceed. A. N. S. i. 325. Miocene Foss. 67, 38, 1. 



D. transversus, Emmons, Geol. N. C. 295, 223-4. 

 D. intermedia, C. 



Venus concentrica, Tuomey and Holmes, (not Born.) Plioc. Foss. S. ('. 82, 

 21. 7. 



CLEMENTIA, Gray. 



is) inoceriformis, Wa 

 nentia inoceriformis, C 



1862.] 



C. (Venus) inoceriformis, Wagner, viii. 1, 2, C. Miocene Foss. 70, 40, 1. 

 dementia inoceriformis, C. Index to Miocene Foss. 



