4176 UNIVALVES —— NERITA. 
Diviston Il.—Shell imperforate and toothless. 
Famity 1.—Spinous. 
Scientific Name. Locality. Common Name. 
Corona -++++++++ Ganges, China+++++--+» Crowned Nerite 
Famity 2.— Without spines. 
Radula ------+--- Amboyna, Tranquebar - Rough-ribbed do- 
Magdalena ------ Magdalen Isles ---.---++ Magdalen - do -- 
Gornea ee erie ciee REGU Seaiie cielelelelatsiatel=i-1e= = Horny a evel LOueys 
Fluviatilis  --- . Europe -++e+e+eeeeeeeee River -++-- dou 
Littoralis -----+. Europe «seesereeeeeeeee Strand ---- do -- 
Lacustris ---+ -- ID}intopocioniob or Coco oa 7d S Lake «+++: do - 
Deans Senseedaee ff sickeie tieceeyaierain sisyayeleneveesntos Black mark do -- 
Marginata AD eOOO | boop EODDOO oS DoD Sono nOO4 Margined eNO. 
Division II].—Shell imperforate and toothed. 
Famity 1.—With the inner lip toothed. 
Palligera ------- India, Amboyna, So. Seas Reddish - -- do -- 
Aculeata---+-++-- East Indies ----++-+++-- Spinous --- do -- 
Pupa isin es eXee ete ione Ahir, cotodbuctiakbosn Black & white do 
Bidens ------ 2+» New Zealand ----++----- Double tooth’d do 
Flavescens ------ Nicobar Isles ---+---+-- Yellowish - do -- 
Viridis---.-..... West Indies .----.-....- Green ---- do-- 
Virginea++---.-. Mediterranean, W.Indies Guinea-fowldo - 
Turrita «+--+... West Indies -.--.----.-- Turreted - do «- 
Piperina siisitelsnellane IMEMP of osmiodo so ao tde Triangular spott’d 
Larva Wipes ee Amboyna okellelel sltaheinveheite val sss Broad band do A 
Ascensionis «-+-: Island of Ascension ----- Ascension. « do -- 
Malaccensis --.-. IMialaGoaie Usiscis cei cicin eteioie Malacca -- do =: 
Hieroglyphica oa East Indies toes canes Hieroglyphic do 
