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UNIVA LVES. — PATELLA. 



Angulosa — Octangular. 

 Tigrina — Tiger, 

 Monopis — Chesnut-streaked. 

 Chlorosticta — Pigeon^ s throat. 

 Margaritacea — Great Sun. 

 Tenuissima — Very tfdn. 



MitrijQa — Cap. 

 Plicaria — Wrinkled. 

 Pentagona — Pentagonal. 

 iEnea — Coppery. 

 Conchacea — Radiated. 

 Stannea — Flat striated. 



Candidissima — White. 



C. — Tip or crown pointed and recurved. 



•Hungarica — Fool's-cap. Borniana — Born. 



Imbricata — Imbricated. Calyptra — Helmet. 



*Mamm.\\\a.Yis— Black hair streak Melanoleuca — Black Sf white. 



Pectunculus — Nodulous. 



Fasciata — Banded. 



Elegans — Elegant. 



Tricarinata — Three keeled. 

 Pectinata — Striated. 

 Lutea — Yellow. 

 Cristata — Crested. 

 *Lacustris — Lake. 

 ♦Fluviatilis — River. 

 Caeca — White bordered. 

 Virginea — Purple rayed. 

 Tessellata — Tessellated. 

 Fulva — Orange tawny. 

 Subspiralis — Subspiral. 

 Ambigua — White duck's bill. 

 Rubicunda — Reddish. 



Squamosa — Scaly. 

 Squalida — Rugged. 

 Crocea — Yellow. 

 Candida — White. 

 Trigona — Triangular. 

 M inima — Small. 

 Tranquebarica — Tranquebar. 

 Perversa — Reverse tipped. 

 Cernua — Flesh-colored. 

 Incurva — Twisted crown. 



I nterrupta — Green-dotted. 



D. — Entire, and not 



A fra — African. 

 Lusitanica — Auricula. 

 Radiata — Radiated. 

 Areolata — Pyramidal. 

 Flammea — Flame. 

 Indica — Indian. 

 Surinamensis — Surinam. 

 Vitellina— Yellotv. 



pointed at the tip or crown. 



Sanguinolenta — Beauty. 

 Laevigata — Smooth. 

 Punctulata — Dotted. 

 ♦Pellucida — Blue-rayed. 

 Testudinaria — Tortoise-shell. 

 Testudinalis Dwarf Tortoise-shell 

 Compressa — Dutch bonnet. 

 Rustica — Narrow-ribbed. 



