UNIVALVES. CYPR.EA. 



77 



Indian ocean; many, however, come from tlie American, 

 African, and Mediterranean shores; some also from the 

 South seas. 



CY?RJEX.— Cowry. 



A. — With a manifest spire. 



Exanthema — False Argus. 

 Mappa — Map. 

 Arabica — Nutmeg. 

 Argus — Argus. 

 Testudinaria — Tortoise-shell. 

 Stercoraria — Livid. 

 Carneola — Carnelian. 

 Zebra — Zebra. 

 Talpa — Burnt-mouthed. 

 Amethystea — Amethystine. 

 Lurida — Pale. 

 Vanelli — Saffron-throated. 

 Lota — Blushing. 

 Fragilis — Brittle. 

 Guttata — Dotted. 

 Cinerea — Ash-colored. 

 Plumbea- — Black-lead. 

 Oculata — Eyed. 

 Histrio — Harlequin. 

 Aurant ium — Orange . 

 Ferruginosa — Ferruginous. 



Undulata- 



Livida — Pale-yellow. 

 Gibba — Gibbous. 

 Turbinata — Turbinated. 

 Venerea — Gold-spotted. 

 Purpurescens — Purple. 

 Albida — IVliite. 

 Rufescens — Reddish. 

 Translucens — Translucent. 

 Punctulata — Dotted. 

 Tigrina — Tiger. 

 Dubia — Doubtful. 

 Trifasciata. Triple-bajided. 

 Conspurcata — Speckled. 

 Bifasciata — Double-banded. 

 C ylindrica — Cylindrical. 

 Teres — Long. 

 Ovata — Ovate. 

 Minuta — Minute. 

 Sanguinolenta — Red-spotted. 

 Fasciata — Banded. 

 Regina — Queen. 

 — Waved. 



B. — Obtuse, without a manifest spire. 



Caput-serpentis — Snake' s-head. Vitellus — Fallow Deer. 

 Reticulum — Net. Mus — Mouse. 



Mauri tiana — Surinam Toad. Tigris — Ijeopard, 



