PLATE XCVL 



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



173. 

 Tcllina Cornea. Horny. Perm. Br. Zeol. No, 36. tab. 49. fig. 39. 



Da Costa observes, that Linnaeus lias placed this shell very impro- 

 perly in the Tellina genus, as it does not agree with his own defini- 

 tion of that genus, and remarks that its habit, shape, convexity, &c, 

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

 a Tellina in the last edition of the Systema Nat arte by Gmelin, and 

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

 authority. 



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

 naean 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 ani* 

 mal, and is found in great plenty in most rivers and stagnant waters, 



