PLATE XCVI. 



C. Parvum globosum viride-fuscum. Nux. Da Costa Br. Conch. 



173. 

 Tellina Cornea. Horny. Penn. Br. Zeol, No. 36. tab. 49. fg. 39, 



Da Costa observes, that Linnsus has placed tlils shell very Impro^ 

 perly In the Tellina genus, as it docs not agree with his own defini- 

 tion of that genus, and remarks that its habit, shape, convexity, Sec, 

 brings it nearer to the Cardium than any other kind. — It still remains 

 a Tellina in the last edition of the .S^stema Nature by Gniehn, and 

 we are not disposed in the present instance to deviate from that 

 authority. 



This, and the Tellina rivalis described by Dr. Alaton, in the Lin- 



nzean Transactions, are very analogous, though evidently two distinct 



species, as we have before noticed in our description of the latter, 



Plate 62. — ^Tellina Cornea, according to Geoffroy, is a viviparous aniv 



-pial, and is found in great plenty in most rivers and stagnant waters, 



