266 VOLUTA. VOLUTE. Class VI. 



16. HETERO- Mont. Test. Br. Sup. App. 169. 



CLITA. 



* V. with a white glossy tapering shell, of eight 

 or nine reversed volutions ; aperture narrow, 

 with one plait on the colmnella ; length one 

 quarter of an inch; breadth one third of the 



length. 



Dunbar; extremely rare. 



