158 UNIVALVES —— ' URBO. 
Diviston VI[I].—Shell subcylindrical, obtuse at both ends, ané& 
aperture semi-ovate. 
Famity 1.—Aperture toothed. 
Scientific Name. Locality. Common, Name. 
Uva ---+-- «+++» Coast of Bretagny ------ Berry Turbo --« 
Mumia ---+-+-+- America «+ +++-- Sst eeees Double-tooth’d do 
Alvearia ++++++-- St. Domingo, Guadaloupe White-mouth’ddo 
Quinquedentatus- France ---++++«- se eeee+ Five-tooth’d do -+ 
Tridens ----+--- Britain ---+-++++.+ sees Three-tooth’d do 
Juniperi --+++++- Britain, Paris, Saxony -- Juniper -+- do - 
Muscorum -+--+-- Europe, under moss --+- Moss----«+ do -- 
Sexdentatus ---- Westof England «- ---- Six-tooth’d do -- 
Carychium +--+ + Britain ----+++e. 6 ceees Minute-tooth’d do 
Reversed Shells 
Bidens --++-+--«> Britain, France, Italy --- Double-tooth’d do 
Laminatus ----.- England, Europe - ---- Laminated do - 
Biplicatus -+-++- Ditto seeeeee eee cc eeee Double-plaited a 
Corrugatus --++- Languedoc, Provence -- Wrinkled - do - 
Nigricans --+++*- England, France -.---- Black --++ do -- 
Labiatus «-«-«-- Britain -++seeere scene Reversed -+ do -- 
Perversus -++--- “England ----++- -.-+-- Reversed -+ do 
Quadridens ---- Paris, France «++ -++--- Four-footh’ddo -- 
Vertigo «+--+. Sandwich, Denmark ---- Vertigo --- do -- 
Famity 2.—Aperture wilhout teeth. 
Cylindrus ------- Jamaica «eereecer es eece Cylindrical do -- 
(Groceustasicccem ccc POCO GT NOC. C Orange «480s 4c 
Sulcatus «+++. nos Ceylon OOOOUOOUUIOT TTC Sulcated -- do -- 
(OiiiMehy o¢bodeer Bodadaccocnocouns overs c Horny core GO) 
aie sqnosoag loncodautooooosdpad. oo0G Reflected -- do -- 
Auriscalpium --- Mediterranean -:-+.---- Ear-picker do -- 
