December, 1841.] 133 



sub-conical. Scutellae in pairs ? separated by longitudinal, 

 granulated, slightly curved bands. Spines elongated, lon- 

 gitudinally granulated, and attached to the papilla; by 

 numerous very small, flattened appendages. 

 Found with the preceding fossil in the cretaceous limestone 

 of New Jersey. 



A communication was read from Oliver P. Hubbard, Esq., 

 acknowledging the receipt of a letter announcing his election 

 as a correspondent of the Academy. 



Mr. John S. Phillips stated that the Helix described by him 

 at page 27 of these Proceedings, with the specific name of 

 bidentifera^ is the H. barbula of Rossmasler, a Portuguese 

 shell. Mr. P. was led into an error in respect to its locality 

 by the gentleman from whom he received it, and consequently 

 described it as new. 



