﻿DIVISION II. Shell ovale, ribbed, aperture rather contracted, pillar lip 



thickened and strongly wrinkled, and outer lip toothed, thickened 



and marginated. 



Scientific name. Loca/iti/. Scientific name. Locality. 



Pomiini, Amboyna, China. Ringens, China, Java. 



DIVISION III. Shell with tuberculated belts or ribs, pillar lip spread, and 

 beak much produced and reflected. 



Echinoforum, Mediterranean. Rug; Mediterranean. 



Nodosum, 



DIVISION IV . Shell with an exserted, reflected beak, pillar lip spread, 

 and the outer lip unarmed outwardly. 



Family 1st. With the spire truncated, aperture rather linear, pillar lip much 

 spread, the pillar slightly wrinkled, and outer lip thickened. 



Corrugatum, Rufum, Madagascar. 



Plicattim, Jamaica, Ascension Isl. Testiculis, Jamaica. 



Flammeum, do. W. Indies. 



Family 2d. With the spire rather elevated, pillar lip thinly spread, pillar slightly 

 wrinkled, and outer lip thickened. 



Decussatum, Mediterranean. Saburon, Mediterranean, Goree. 



Areola, do. E. Ind., Amboyna. Abbreviating, 



Strigatum, do. "** 



Family 3(/. Resembling the 2d, except having the pillar Up granulated. 

 Granulatum, Med., W. Indies. Undulatum, do. Barbadoes. 



Family 4th. Resembling the 3d, but having the pillar lip granulated and wrinkled. 



Inflatum, Indian and African Seas. Bilineatum, Weymouth. 



Tessellatum, Amboyna, S. Seas, Guin. Cicatrecosum, Indian Ocean. 



Family 5th. With the pillar Up smooth. 

 Recurvirostrum, Barbadoes. Cassis, Bay of Naples. 



