72 



flat delta-formed spines that are a little tamed up- 

 wards : the flat portions of all the whorls are arranged 

 in the same plain, so that the spire is not at all elevated ; 

 young shells are slightly undulated upon the surface. 



From Ancliff, in the Rev. George Cookson's cabinet. 

 This species seems to unite the Genera Enomphalus and 

 Delphinula. 



