BIVALVES. OSTREA. 



57 



b. — Ears unequal; one of them generally ciliated, with 

 spines within. 



Pallium — Ducal Mantle. 

 Sangmnolenta — Blood-spot. 

 Maculosa — Spotted. 

 Nodosa — Duck's Foot. 

 Ves-felis— Cat's Foot. 

 Pellucens — Pellucid. 

 Obliterata — fVorn. 

 Sanguinea — Scarlet. 

 *Varia — Diverse. 

 *Pusio — Wrinkled. 

 *Obsoleta — Obsolete. 

 *Laevis — Smooth. 

 ♦Glabra — Glabrous. 

 *Opercularis — Painted. 

 Gibba — Gibbous. 

 Sulcata — Furrowed. 

 Histrionica — Harlequin. 

 Islandica — Islandic. 

 Triradiata — Triple-rayed. 

 Fuel — Fucus. 

 Tigrina — Tiger. 

 Septemradiata — Seven-rayed. 

 Arata — Furrowed. 

 Senatoria — Senator. 

 Citrina — Citron. 

 Turgida — Swollen. 

 Sulphurea — Sulphur. 



Porphyria — Porphyry. 

 Vitrea — Glassy. 

 Tranquebarica — Tranquebar. 

 Sauciata — Unequal-rayed. 

 C renulata — Crenulated. 

 Innominata — Grooved. 

 Rufescens — Reddish. 

 Squamata — Scaly. 

 Anonyma — Anonymous. 

 Decemradiata — Ten-rayed. 

 Tenuis — Thin. 

 Valentini — Valentine' s. 

 Media — Middle-sized. 

 Crocea — Saffron. 

 Florida — Rose-spotted. 

 Ochroleuca — Ochraceous. 

 Mustelina — Fly-spotted. 

 Flammea — Flame-colored. 

 I ncarnata — Flesh-colored. 

 Guttata — Speckled. 

 Depressa — Depressed. 

 Regia.— Royal. 

 Palliata — Variegated. 

 Seminuda — Half-covered. 

 Modesta — Modest. 

 Principalis — Chief. 

 Versicolor — Variegated. 



c. — Valves more gibbous on one side. 



Flavicans — Yellow. Lima — File. 



Fasciata — Banded. Glacialis — Icy. 



Fragilis — Brittle. Hians — Gaping. 



Excavata — Hollow. 



