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. 



Fusiformis Spindle-shaped. Magellanica Magellanic. 



Flavicans Yellowish. Rupestris Lightning. 



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 channelled. 



Olla 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. 



