UNIVALVES — HELIX. 169 



Division VI.— Shell snbglohnlar, ventricose, umbilicated, and 

 aperture ovateoblovff- 



Sckntijic Name. Loraliti/. Common Name. 



Aiiipiillacea East & West Indies • • • • Smooth-girdled ?. 



Urceiis America Cocoa-nut • do • • 



Glauca Giiadaloupe Greyish brown do 



Lacuna Britain ••• Gutter lipp'd do • 



Division VII. — Shell with the whorls longitudinally angulated on 

 both sides. 



Scarabseus Asia, Amboyna, China • Cockchafer do •• 



Afra Goree African • • • do • • 



Division VIII. — Shell umbilicated, roundish, obtuse, diaphanous, 

 brittle, and aperture sub-triangular. 



lanthina S. Seas, Madagascar •• •• Violet do •• 



Globosa Madagascar Globose • • • do • • 



Division IX. — Shell conical, obtuse, distorted, the side opposite the 

 aperture gibbous, aperture compressed. 



Lyonetiana Isle of France Lyonet's • • do • • 



Division X. — Shell sub-umbilicated, pyramidal, and summit 

 obtuse. 



Epystylium South Seas - • Bee-hive • • do • • 



Papilla • ' • • Nipple • • • • do • • 



