ENGLISH AND LATIN NAMES OF THE 
GENERA. 
Acorn-shell. 
Ark-shell... 
Barnacle.. 
Bowl-shell.. 
Canoe-shell.. 
Cockle. 
Cowry. 
Creeper..... 
Dipper. 
Gaper. 
Heart-cockle. 
Limpet. 
Mactra. 
Mussel.,. 
Nacre... 
Nautilus. 
Nerite.... 
Oyster... 
Piddock.. 
Razor-shell. 
Rock shell. 
Scallop-shell. 
Screw-shell. 
Sea-ear.. 
Ship-worm. 
Snail-shell. 
Teilen..... 
Tooth-shell .. 
Top-shell. . .... 
Turban.... 
V enus.. 
Volute ... 
