176 UNIVALVES NERITA. 



Division IL— Shell imperforate and toothless. 



Family 1. — Spinous. , 



Scientific Name. Localitij. Common Name. 



Corona Ganges, China Crowned Nerite 



Family 2. — Without spines. 



Radula Amboyna, Tranquebar • Roiigli-ribbed do 



Magdalena • Magdalen Isles jSIagdalen • do • 



Cornea Red Sea Horny do • 



Fluviatilis Europe River do • 



Littoralis Europe Strand do • 



Lacustris Ditto Lake do • 



Dubia Black mark do 



Marginata Margined • do 



Division III. — Shell imperforate and toothed. 



Family 1. — With the inner lip toothed. 



Pulligera India, Aioboyna, So. Seas Reddish ■ • • do • • 



Aculeata East Indies Spinous • ■ • do • • 



Pupa Jamaica Black & white do 



Bidens ••• New Zealand Double tooth'd do 



Flavesccns Nicobar Isles Yellowish • do • • 



Viridis West Indies Green do • • 



Virginea Mediterranean, W. Indies Guinea-fowldo • 



Turrita West Indi(s Turreted • do - • 



Pipeiina Malabar Triangular spotfd 



Larva Amboyna Broad b^nd do • ■ 



Ascensionis Island of Ascension Ascension . do • • 



Malaccensis Malacca Malacca •• do • • 



Hieroglyphica •• East Indies Hieroglyphic do 



