159 



TURRITELLA muiicata. 



TAB. CCCCXCIX— /g^s. 1 and 2. 



Spec. Char. Subulate, transversely striated ; striae 

 elevated into spines upon numerous small^ 

 arched costas. 



Less than an inch long ; the upper edge of each whorl 

 is flattened ; the small spines with which the spire is 

 roughened are most prominent upon the edges of the 

 whorls : the convex base is free from spines, and the 

 strisB upon it are much elevated and sharp. 



We are indebted to Thomas Meade, Esq. for the 

 means of exhibiting this elegant little shell. The group, 

 which forms one of the many rare specimens contained 

 in his rich cabinet^ was found at Steeple Ashton : it con- 

 tains also portions of Turbo muricatus (tab. 240, f. 4), 

 and of an unfigured Murex. 



We have another specimen in the same kind of Clay 

 as the following, and also from Robinhood's Bay : this 

 is accompanied by T. muricatus, indicating a contem- 

 porary formation with that of Steeple Ashton. 



