83 



Family 2.d. With the outer Up curved inwards. 



Scientific name. Locality. Scientific name. Locality. 



Latissimus, Asiat.O.,Amboy., China. Laciniatus, East Indies. 



Family 3d. Spire elevated, and outer lip rounded and short. 



Vittatus, Asia, China, Red Sea, Epidromis, Amboyna. 



Amboyna. Sulcatus, China. 



Family 4th. With both lips pointed, and attached to the whorls of the spire. 



Marginatus, China. Accinctus, do. Batavia, do. 



Minimus, do. E. Indies, Amboyna. 



DIVISION III. Shell smooth or plaited, outer lip striated within, and but 



slightly expanded. 



Gibberulus, Asiat. Ocean, Mauritius, Erythrinus, Red Sea. 



China. Samar, Amboyna, East Indies. 



Urceus, do. Dentatus, Mauritius. 



DIVISION IV. Shell turreted, with a longitudinal fissure extending from 

 the aperture to the summit. 



Fissus, Fisurella, East Indies. 



DIVISION V. Shell turreted with a very long spire. 

 Family 1st. The aperture ending in a long beak, and outer Up toothed. 

 Fusus, Red Sea. Unicornis, East Indies. 



Family 2d. Without the beak, and the aperture not toothed. 



Tuberculatus, Mediterranean. Auritus, Guinea. 



Palustris, East Indies. Lividus, 



Ater, Marshes in Amboyna. Costatus, Britain. 



DIVISION VI. Shell obovate, toith transverse nodulous belts, pillar lip 

 granulated, and the outer lip thickened and toothed. 



Oniscus, West Indies. 



