74 Mr. Gray's Additions to a 



Front of the columella deeply concave, smooth, with the plaits ex- 

 tended over it, and denticulatingi; the inner edge. 

 Miis. Brit. 



22*. Cijprfea fragilis, n. s. 



Testa ovata, convexa ; basi convexa, marginata, extremitatibus sub- 

 productis; columella profunda concaviuscula ; dentibus mediocribus 

 approximatis. 



Fossil. Mus. Brit. 



Shell ovate, convex ; base convex, margined ; extremities slightly pro- 

 duced, with a pit on the side of the spire. Teeth moderate, close toge- 

 ther; columella front deep, rather concave, inner edge denticulated. 



Axis 1, diameter -I of an inch. 



This fossil species approaches most nearly to C. leporina. 



23. Cypraa Aurora^ add. 

 Icon. Wood's Cat. t. 16, f. 8. 

 Junior. 



When young, nearly globular, pellucid, dark orange, with a broad 

 white band close to the suture ; base near the mouth white. A beautiful 

 specimen in the brilliant collection of Mr. Broderip. 



24. Cyprcea tessellata, add. 

 Icon. Wood's Cat. app. t. 3, f. 1. 



25. Cyprcea Vitellus, add. Apertura albida. 

 C. Dama. Humph., Cal. Cat. Jfo. 118. 



C. fulva. Gmel, Syst. Nat. p. 3413. 



Icon. Wood's Cat. t.l7,f.2l. 



Junior. 



When young, the central band is broad, and often slightly divided at 

 the ends ; the front one is formed of two separate equal parts, and the 

 hinder one is broad. These characters will distinguish it from the young 

 of C cinerea, which is ash-coloured, with three simple bands, the cen- 

 tral one being the narrowest; and from the young of C. carneola, which 

 is also three-banded, but with the central band formed of two equal 



