156 UNIVALVES TURBO. 



Division V. — Cancellated. 



Family 1. — Umbilicated. 



Scientific Name. Locality. Common Name. 



Scalaris China Wentle-Trap •• 



Family 2. — Imperforated. 



Principalis Coroniandel Many-ribbed do 



Clathrus Europe, America Latticed • • do • 



Clathratulus Britain Little do • 



Lacteus Mediterranean Milky • • • • do ■ 



Pulcher West Indies Beautiful • • do ■ 



Ambiguus Mediterranean Doubtful • • do • 



Minute Shells. 



Elegantissimus • • Britain Elegant Turbo 



Simillimus Island of Jura Similar • • • do 



Parvus Britain Guernsey • • do 



Striatulus Mediterranean, England. Wrinkled • do 



Reticulatus Pembroke, Kent Netted do 



Bryereus Britain, West Indies Bryer's do 



Coniferus Weymouth • • • = Marginated do 



Denticulatus Ditto Toothed • • • do 



Arcuatus Guernsey Margined- -do 



Striatus Cornwall, Devonshire, 



Ireland Striated- • • do 



Costatus England, Wales Ribbed • • • do 



Unicus Sandwich Convex • • ■ do 



Tndistinctus Indistinct • do 



