2 AMERICAN JOURNAL 



W0BK8 REFERRED TO. 



Amer. J. Science — The American Journal of Science and 

 Arts. 



Amer. Philos. Soc. — Transactions of the American Philoso- 

 phical Society. 



Cont. to Oeol. — Contributions to Geology by Isaac Lea. 



Foss. Shells of Tert. — Fossil shells of the Tertiary Forma- 

 tions of the United States, by T. A. Conrad. 



Geol. Trans. — Transactions of the Greological Society of 

 Pennsylvania. 



J. A. N. S. — Journal of the Academy of Natural Sciences 

 of Philadelphia. 



Proceed. A. N. S. — Proceedings of the Academ}' of Natural 

 Sciences of Philadelphia. 



Proceed. Nat. Instit. — Proceedings of the National Institution. 



LOCALITIES. 



Claih. — Claiborne, Clarke County, Alabama. 

 Enterprize. — Clarke County, Mississippi. 

 Jachson. — Hinds County, Mississippi. 

 St. Stephens. — Washington County, Alabama. 

 Texas. — Wheelock, Robertson County, Texas. 

 Vicks. — Vicksburg, Warren County, Mississippi. 



CONCHIPERA. 

 PHOLADID^. 



PHOLAS, Lin. . 



P. PETROSA, C— Proceed. Nat. Instit., p. 193,'-^. '2, £4. A. J. 

 Science, i., 2d series, p. 213, t. 2, f 1. Piscataway, Md. 



PHOLAMERIA, Conrad. 



P. TRIQUETRA (Pholas,) C. — J. A. N. Sciences, i., 2d series, p. 

 127, t. 13, f. 3. Vicks. 



TEREDO, Lin. 



T. SIMPLEX, Lea. — Cont. to Geol., p. 38, t. 1, f. 6. Claib. 

 GASTROCH^NID.^. 



GASTROCH^NA, Spengler. 



G. LARVA {Fistulana,) C. — A. J. Science, i., 2d series, p. 212, t. 

 1, f. 5. Claib. 



SAXICAVID^E. 



GLYCIMERIS, Klein. 



G. ELONGATA {Panopsea,) C. — Trans. Geol. Soc. Penns., i., ]>. 

 339, t. 13, f. 1. A. J. Science, i., 2d series, p. 215, t. 13, 

 f. 1. Piscataway, Md. 



