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1881.] NATURAL SCIENCES OF PHILADELPHIA. 453 



1 A. propatula Conr. (Barbatia). S. Car. 



Proc. A. N. S., i, p. 323. Mioc. Foss., p. 61. 



Area hians, Tuomey and Holmes, Plioc. Foss., p. 34, See note under 

 A. propatula (Miocene). 



A. rustica Tuomey and Holmes (Scapharca). S. Car. 



Mioc. Foss., p. 39. 



I have seen no specimen of this species, and can therefore not 

 pronounce upon its validity. The fragment illustrated in the 

 " Pleiocene Fossils " scarcely admits of recognition. 



A. trigintinaria Conr. (Anadara). S. Car. 



Proc. A. N. S., 1862, p. 289, as Anomalocardia. 



Area Americana^ A. Garolinensis, A. incongrua, A. lienosa 

 A. pexata, A. ponderosa, and A. transversa occur in the post- 

 Pliocene deposits ; A. ccdata is also reported from the South 

 Carolina deposits of that age by F. S. Holmes, 



