176 UNIVALVES NERITA. 



Division II.— Shell imperforate and toothless. 



Family 1. — Spinous. 



Scientific Name. Localiti/. Common Name. 



Corona Ganges, China Crowned Nerite 



Family 2. — Without spines. 



Radiila Aniboyna, Tranquebar • Rough-ribbed do 



Magdalcna Magdalen Isles Magdalen • do • 



Cornea Red Sea Horny do • 



Fluviatilis Europe River do • 



Littoralis Europe Strand do • 



Lacnstris Ditto Lake do • 



Dnbia Black mark do 



Marginata Margined • do 



Division III. — Shell imperforate and toothed. 



Family 1. — With t/ie inner Up toothed. 



Pnlligera India, Amboyna, So. Seas Reddish • • • do • • 



Aculeala ..•-••.. East Indies Spinous - • • do • . 



Pupa Jamaica •. Black & white do 



Bidens .-• New Zealand Double tootli'd do 



Flavesccns Nicobar Fsles Yellowish- do •• 



Viridis West Indies Creen do • • 



Virginea Mediterranean, W.Indies Guinea-fowldo • 



Turrita West Indies Tnrreted • do •• 



P'perina Malabar Triangular spotfd 



Larva Amboyna Broad b^nd do • • 



Ascensionis Island of Ascension Ascension- • do • • 



Malaccensis Malacca M alacca • • do • • 



Hieroglyphica •• East Indies Hieroglyphic do 



