1 24 UNIVALVES. — TURBO. 



Division VII. — Shell oblonpx, glossy, beautifully 



MARKED WITH VARIOUS COLOURS, AND 

 APERTURE SUBOVATE. 



Phasianus — Pheasant. Inflatus — Inflated. 



*Pullus — Painted. 



Division VIII. — Shell subcylindrical, obtuse at both 



ENDS, and aperture SEMI-OVATE. 



Family 1. — Aperture toothed. 

 Vva.— Berry. *Tiidens — Three-tooth' d. 



Mumia — Double-tooth'd. *Juniperi — Juniper. 



Alvearia — White-mouth' d. *Muscorum — Moss. 



Quinquedentatus — Five-tooth' d. *Sexdentatus — Six-tooth' d. 



*Carychium — Minute-tooth' d. 



Reversed Shells. 

 *Bidens — Double-tooth'd. * Nigricans — Black. 



*Laminatus — Laminated. *Labiatus — Lipped. 



*Biplicatus — Double-plaited. *Perversus — Reversed. 

 Conugatus — Wrinkled. Quadridens — Four- tooth' d. 



Vertigo — Vertigo. 



Family 2. — Aperture tvithout teeth. 

 Cylindrus — Cylindrical. Ue&exus— Reflected. 



Croceus — Orange, Auriscalpium — Ear-picker. 



Sulcatus — Sulcated. *Politus — Polished. 



Corneus — Horny. *Subulatus — Awl-shap'd. 



Decussatus — Decussated. 



Division IX. — Shell turreted. 



Imbricatus — Imbricated. *Terebra — Augur. 



Replicatus — Large. Archimedis — Archimedes'. 



Acutangulus — Sharp-angled. Variegatus — Variegated. 



*Duplicatus — Double-ribbed. *Ungulinus — Doubtful. 



Torcularis — Brown-spotted. Terebellum — Little. 



Obsoletus — Obsolete. Annulatus — White. 



*Exoletus — Ribbed. Turris-thomse — Tower. 



