UNIVALVES. — HELIX. 1^9 



Ungulina — Tawny-horn. Citrina — Citron. 



*Itala — Brown-handed. Rapa — Single-band. 



Minute Shells, 

 Minima — Minute. Costata — Cross-ribbed. 



*Hispida — Hairy. Pulchella — Striated. 



Umbilicata — Umbilicated. *Trochulus — Trochiis-shaptd. 



*AcuIeata — Prickly. 



Family 2. — Umbilicated and sub-globular. 

 *Castanea — Chesnut. Vittata — Ribbon. 



Globulus — Globular. Lusitanica — Lusitanian. 



Lucana — Transparent. ^ Hispana — Spanish. 



*Arbustorum — Single- streak'' d. Vitrea — Brittle. 

 Fruticum — Six-whirVd. *Pomatia — Edible. 



Fulva — Amber. Cincta — Red-banded. 



Nemorensis — Polished. Rosacea — Flesh-colour' d. 



Extensa — Four-ivhirV d. 



Family 3. — Imperforate, a?id sub^globular. 

 Jamaicensis — Jamaica. Sultana — Variegated. 



Rhodia — Rhodian. Haemastoma — Rose-Upp'd. 



Albolabris — White- lipped. Lactea — Milky. 



*Nemoralis — Varied. Picta — Painted. 



Cartusiana — Carthusian. Versicolor — Diversified. 



*Lucorum — Browti-lipp'd. Aperta — Gaping. 



*Grisea — Grey. *Fusca — Brown. 



Pellucida — Transparent. 



Family 4. — Imperforate, and spire rather produced. 

 *Vivipara — Viviparous. Dissimilis — Black-lipped. 



Fasciata — Banded. Angularis — Angular. 



Family 5. — Umbilicated and spire produced. 

 Scalaris — Produced. 



Division IV. — Shell ovate, oblong, ventricose, and 



Al'ERTURE OVATE. 



Family 1. — Umbilicated. 

 Ovata — Oval. Oblonga — Oblong. 



Lutaria — Mud. Flammea — Zebra. 



g3 



