UNIVALVES —— HELIX. 171 
Scientific Name. Locality. Common Name. 
Calearia ++-+-+-- East Indies ---.+-++++-- Chalky Snail -- 
Contoria-plicata- Denmark -++-+++++++++5 Coiled plaits do -- 
Famity 2.—Apex acute. 
Cuspidata we ceee INGA, sboocodcGocoSdoodc Pointed ---- do «- 
Vi Garda fava) o/t'=jorovai oh sais elnisveve srevtvercsiels siakstevelerers White-spotted do 
Ure cal ataccsetevcistevoia at iors, sieve ciate cretavete stelavecieictesrs Waved----do-- 
Wilbexacisctvelssstcinteiy stevectectievslciets sicisjinfelelletell steve - Red-markeddo -- 
Crenata --++++-- Madagascar ++++++++e+0s Crenated -- do -- 
Fuscata -+-+-+-.-- East Indies -......--- - Brown clouded do 
Peregrina --+++--. Britain, West Indies ---- Eight-whorl'd do 
Octona ------.-- West Indies ..-.-...+... Slender --- do-- 
Columna «e+e... saute Jamaica -+---+. Column --- do - 
hentia yo OGee Ot LE COOCIOORC COON OEOCE POMOC Tawny- strip’ d do 
Acuta «+eeseeeee Britain, France, Barbary Double-bandeddo 
Undata +--+. --» New Holland ---...--.-. Undulated - do - 
Fluviatilis------- Coromandel .++-+--- «+> River --es- do -» 
Turbinata --««-- Danube ------.eeeeeees Turbinated do -- 
Carinula---+.... Guadaloupe-+-+--+++++-+ Brown lin’'d do -+ 
Drviston XII1.—Shell depressed, spire flattish, aperture very large, 
exposing the whole inside. 
Perspicua+--+-+» Mediterranean --++----- Large mouth do - 
Haliotoidea «+++ ++++eeeeeee- cossecesees Wenus’ ear- do >> 
