UNIVALVES — STROMBUS. 129 



Division V. — Shell turreted, with a very long spire. 



Family 1. — TTie aperture ending in a long beak, and the outer lip 

 toothed. 



Scientijic Name. Locality. Common arm. 



Fusus Red Sea • ■ Spiadle Strombus 



Unicornis East Indies Unicorn • • • do • • 



Family 2. — Without the beak and the aperture not toothed. 

 Tuberculatus • • ■ • Mediterranean Tuberculated do 



Palustris East Indies Marsh 



Ater Marshes in Amboyna • • Black • ■ 



Auritus Guinea Eared • 



Lividus Livid • 



Costatus Britain Ribbed 



do • 

 do . 

 do • 

 do • 

 do • 



Division VI. — Shell ob-ovate,tvith transverse nodulous belts, pillar 

 lip granulated, and the outer lip thickened and toothed within. 



Oaiscus West Indies • • Wood-louse do • • 



