UNIVALVES. 

 DIVISION IX. SHELL WITH SPIRE OBLIQUELY RECURVED, 



APERTURE VERY LARGE, OUTER LIP REFLECTED, AND PIL- 

 LAR-LIP WITH TWO OBSOLETE TEETH AT THE BASE. 



Concholepas Limpet- shap'd. 

 DIVISION X. SHELL COARSE, SPIRE ACUTE, APERTURE 



OVATE, PILLAR-LIP SMOOTH AND FLATTISH. 



*Lapillus Common Whelk. Sulcatum Grooved. 



Varium Varied. Smaragdulus Emerald. 



*Undatum Wave-ribbed. Undosum Undulated. 



Ciliatum Ciliated. Affine Brown-striped. 



Solutum Unequal-ribbed. Fumosum Smoky. 



Porcatum Rugged. Tranquebaricum Tranquebar. 



Papyraceum Paper. Cruentatum Red-spotted. 



Otaheitense Otaheite. Pyrozonias Double-streaked. 



Glaciale Keel-ridged. Versicolor Lurid. 



Carinatum Carinated. Lamellosum Lamellar. 



Filosum Threaded. Lamellatum Lamellated. 



Crispatum Wrinkled. 



DIVISION XI. SHELL STRONGLY RIBBED TRANSVERSELY. 



Orbitum Globose. Scala Broad-belted. 



Indicum Indian. 



DIVISION XII. SHELL SUB-GLOBOSE, PONDEROUS, APER- 

 TURE LARGE, PILLAR-LIP VERY THICK. 



Plumbeum Double-groov'd. Crassum Thick. 

 DIVISION XIII. SHELL WITH THE PILLAR ABRUPT AND 



STRONGLY UMBILICATED. 



Spiratum Acute-spire. Zeylanicum Ceylon. 



Eburneum Spotted. Glabratum Glossy. 



DIVISION XIV. SHELLS SOMEWHAT POLISHED AND NOT 



ENUMERATED IN THE FORMER DIVISIONS. 



Tigrinum Tiger. Testudineum Tortoise-shell. 



T urgitum Red-spotted. Cochlideum Indented-spire. 



Scutulatutn Streaked. Catarracta Long-striped. 



