144 



Scientific Name. 



Variegatus 



Afer 



Muricatus 



Roseus 



Patholatus • • ■ • ■ 



Scaber 



Quadratus 



Croceus - 



Varius 



Obliquatus 



Cinerarius 



UNIVALVES — TROCHUS. 



Neritoideus 

 Albidus • • . 

 Vittatus — 

 Divaricatus 

 Fuscatus • • 

 Umbilicaris 

 Cinereus • • • 

 Fasciatus • • • 



Planus 



Solaris • • • • 



Locality, 

 Cape of Good Hope • • • • 

 Cape Dakar in Senegal • • 



Mediterranean • 



C. of Good Hope, Naples 

 West of England 



Mediterranean 



Morocco 



Mediterranean 



Ditto, Britain 



West Indies, Norway, 



Mediterranean 



Greenland « . . . . 



Mediterranean, Norway 



Mediterranean 

 Ditto 



Inermis 



Iniperialis 



Conchyliopliorus 



Tectum 



Puniilio 



Terrestris 



Bidens 



Fragilis • • • 

 Carinatus • 

 Fluniineus 



East & West Indies, India, 



South Seas 



West Indies 



New Zealand 



St. Domingo, China • • • • 

 West Indies, Mauritius • 



Africa 



Britain, Italy, Tunis • • ■ • 



Botannic Garden, Stras- 



burgh 



Saxe Weimar 

 River Huines • 



Common Name, 

 Variegated T. 

 Grey marble do 

 Prickly • • • do 

 Rose-color'd do 

 Tumid • • • do 

 Rough • • • • do 

 Square spotted do 

 Saffron color'd do 



Varied do 



Umbilicated do 



Ashy color'd do 

 Reddish color'd do 



White do 



Ribbon • • • do 

 Divaricated do 

 Brown • • • • do 

 Obliquely rayed 

 Cinereous • do 

 Banded • • • do 

 Flat do 



Sun do 



Short- spiued do 

 Imperial • • do 

 Carrier • • • • do 

 Arch-lipp'd do 

 Dwarf • • • • do 

 Land do 



Double-tooth'd do 

 Brittle .... do • • 



Keeled do • • 



River do • - 



Family 2. — With pillar toothed or plaited, and umbilicus smooth. 



Maculatus Madagascar Spotted ■ • • do • • 



Alveare Mauritius Bee-hive -do - 



