UNIVALVES. — VOLUTA. 93 



Division III. — Shell ovate, smooth, spire flat, aper- 

 ture EFFUSE AND LINEAR. 



Porcellana — Porcelain. Bullata — Bubble. 



Persicula — Red-spotted. *L3evis — Smooth. 



Cingulata — Red-lined. *Catenata — Chain-spotted. 



Division IV. — Shell sub-cylindrical, enamelled, and 



EMARGINATED. 



Family 1. — Spire rather obtuse. 

 Porphyrea — Porphyry. Incrassata — Thickened. 



Erythrostoma — Orange'mouth' d- Pinguis — Quaker. 

 Oliva — Olive. Tigrina — Tiger. 



Ventricosa — Ventricose. Carneola — Carneliayi. 



Utriculus — Bottle-shaped. Micans — Little. 



Family 2. — Spire prominent or conical. 

 Cruenta — Orange-throat. Ampla — Large. 



Annulata — Ringed. Nivea — Snowy. 



Gibbosa — Gibbous. Jaspidea — Jasper, 



Ispidula — Enamelled. Ancilla — Damsel. 



Hiatula — Gaping. Nitidula — Delicate. 



Oryza — Rice. 



Division V. — Shell fusiform, generally striated or 



RIBBED, either LONGITUDINALLY OR TRANSVERSELY. 



Family 1. — Spire less than half the length of the shell. 



Crenulata — Crenulated. Leucozonias — White-striped. 



Fenestrata — Eight-plaited. Morio — Tawny. 



Dactylus — Six-plaited. Aurantia — Orange. 



Conus — Co7iic. Vitulina — White-banded. 



Texturata — Four-plaited. Olivaria — Two-banded. 



Microzonias — White-banded. Nubila — Clouded. 



Tringa — Decorticated. Pertusa — Punctured. 



Fissurata — Straw-coloured. Spiralis — Spiral. 



Barbadensis — Striped. Patriarchalis — Patriarch. 



Spadicea — Five-plaited. Muriculata — Walled. 



Decussata — Decussated. Paupercula — Zebra. 



Variegata — Variegated, Pica — Magpie. 



Caffra — Caffre. Fenugata — Bellied. 



