UNIVALVES. — VOLUTA. 95 



Division VII. — Shell emarginate, effuse, and spire 



RATHER PAPILLARY. 



Family 1. — Whirls nodulous or plain. 



Musica — Music. Harpa — Lyre. 



Virescens — Greenish. Magnifica — Magnificent. 



Plicata — Plaited. Volva — Whitish. 



Ebraea — Hebrew- character. Undulata — Undulated. 



FasKormis— Spindle-shaped. Magellanica — Magellanic. 



Flavicans — Yellowish. Rupestris — Lightniyig. 



Nivosa — Snow-spotted. Pacifica — Pacific. 



Vexillum — Banner. Angulata — Angular. 



Lapponica — Spotted. Scapha — Clouded. 



Junonia — Peacock. Colocynthis — Wide-mouthed. 



Family 2. — Whirls crowned with spines. 

 Imperialis — Imperial. Vespertilio — Bat. 



Division VIII. — Shell ventricose, and the summit of 



THE spire PAPILLARY. 



Family 1. — Spire coronated or nodulous. 

 Ethiopica — Ethiopic. Tessellata — Tessellated. 



Diadema — Diadem. Corona — Ducal-crown. 



Cymbiola — Boat. 



Family 2. — Spire chanyielled. 

 OUa — Melon. Cymbium — Cup-like. 



Rubiginosa — Ochreous. Neptuni — Neptune's. 



Family 3. — Spire truncated. 

 Porcina — Keel-margin. 



Family 4. — Shell formed by one broad whirl. 

 Glans — Reddish- yellow. Navicula — Gondola. 



Family 5. — Spire nearly buried in the body whirl. 

 Melo — Melon. 



Division IX. — Shell nearly entire, longitudinally 

 OR transversely ribbed and subumbilicated. 



Reticulata — Reticulated. Cancellata — Latticed. 



