Mr. S. V. Wood's Catalogue of Shells from the Crag, 535 



three recent specimens presents the following differences : — the vo- 

 lutions of the fossil are more convex, the suture deeper, and the whole 

 shell less conical with a more prominent keel upon the base of the 

 body whorl. 



Cor. Crag. Red Crag. Mam. Crag. Recent. 



2. Scalaria clathratulus, Flern. {Brit. An. p. 311. Turbo clathratulus. 



Walker, Test. Min. rar. t. 2. f. 45. Scalaria minuta, ikfm. 

 Con. t. 390. Scalaria pseudo-scalaris, Dubois, Geol. Wolhyn. 

 Po<^o/. pi. 2. f. 36, 37). 



Sutton. I Sutton. | | Britain. 



3. — fimbriata. 



Sutton. I I I Mediterranean. 



4. — foliacea. Sow. {Min. Con. t. 390. f. 2). 



Sutton. I Sutton. | | 



This is given by Philippi, Enum. Moll. Sic. p. 167, as a synon. to 

 Sc. pseudo-scalaris. The crag shell differs in not having a keel 

 upon the body whorl. 



5. — subulata. Sow. {Min. Con. t. 390. f. 1). 



Sutton. I I I 



6. — frondosa. Sow. {Min. Con. t. 577. f. 1). 



Sutton. I I I 



7. — frondicula, n. s. 



Sutton. ! I I 



S. — fimbriosa, n. s. 



Ramsholt. | | | 



9. — ? obtusicostata, n. s. 



Sutton. I I I 



10, — ? decussata, Desk. {Hist. Coq.foss. des Env. dePar.). 



Sutton. I I I 



The French shell appears to have the volutions more convex and 



the suture deeper ; but my crag specimens are all imperfect. 



1 . Phasianema sulcata. 



Sutton. I I I 



Gen. Char. Spire slightly elevated ; volutions few; aperture ovate ; 

 exterior striated, umbilicated. 



Spec. Qhar. Ovato-fusiform ; volutions three, convex ; suture deep ; 

 apex obtuse, spirally sulcated, decussated by lines of growth ; aper- 

 ture ovate ; outer lip sharp, inner slightly replicate ; umbilicus small, 

 with an incipient fold upon the columella. Axis one-seventh of an 

 inch. Pl.V. f. 15. 



2. — lineolata, n. s. 



Sutton. I I I 



Sect. a. columella plain. 

 1 . Turbonilla elegantissima. Leach MS. (Turbo elegantissimus, Mont. 

 Test. Brit. p. 298. 1. 10. f. 2). 



Sutton. I I I Britain. 



