UNIVALVES TROCHUS. 145 



Scientific Name. Locality. Common Name. 



Tentorium Pavilion Trochus 



Agrestis China Rustic - • • • do • • 



Niger Ditto Black do • • 



Cruciatus Mediterranean Cross-rayed do •• 



Modulus West Indies, Red Sea • ■ • Keel-whorl'ddo - 



Declivis Red Sea Egyptian • • do • • 



Viridulus Necklace-grained 



Perlatus Pearly • • • • do • • 



Family 3. — With pillar smooth, and umbilicus toothed or crenated. 



Cylindraceus Sub-conical do • • 



Carneus ' Flesh-color'd do • • 



Areola Red square-spotted 



Family 4. — Withpillar and umbilicus crenated. 



Pharaonis Red Sea, Mediterranean, 



East Indies Strawberry do • • 



Corallinus Magdalen Isles Coral bead- do • • 



Guineensis Guinea Guinea do • • 



Urbanus Purple-striped do 



Family 5. — SJiell depressed, with the nnihilicns large, pervious, 

 and crenated, in which the course of the whorls is strongly 

 marked. 



Perspectivus Amboyna Staircase • • do • • 



Perspectiviunculus Small staircase do 



Infundibuliformis Funnel-formed do 



Hybridus Mediterranean Mongrel • - do • • 



Stramineus Tranquebar Straw-color'd do 



Indicus East Indies Indian .... do • • 



