140 UNIVALVES. PATELLA. 



The Patellae are usually found adhering by their base to 

 rocks, stones, fuel, and other marine substances, from which 

 they are with much difficulty removed. They inhabit the 

 Indian, Southern, European, Northern, and Mediterranean 

 seas ; the American and Indian islands ; the Atlantic, and 

 the shores of China, Greenland, and Iceland. 



The Patellae derive their name from their resemblance 

 to a little dish or bason reversed. 



PATELLA Limpet. 



DIVISION I. Shell with the summit obtuse, and the margin entire" 



*Pellucida Pellucid. Flammea Agate. 



*Laevis Smooth. Indica Indian. 



Radians Grey-mottled. Vitellina Yellow. 



Rota Roundish. Las vigata White- tipp'd. 



Testudinaria Tortoise-shell. Surinamensis Surinam. 



*Clealandi Clealand's. Punctulata Dotted. 



Testudinalis Small-tortoise- sh. Notata Wheat-sheaf. 



Compressa Flat-sided. Cruciata White-cross. 



Mytiliformis Muscle. Reticulata Reticulated. 



Afra African. Caeca White-border' d. 



Rustica Narrow ribbed. Virginea Purple-rayed. 



Jamaicensis Jamaica. Tessellata Tessellated. 



Stellifera Starred. Fulva Orange-tawny. 



Fusca Sugar-loaf. Ambigua White-duck' s-bill. 



Areolata Pyramidal. Umbellata Parasol. 



DIVISION II. Shell with the margin angular, or irregularly 



toothed. 



Laciniosa White-eyed. Margaritacea Great-sun. 



Plicata Plaited. Barbara Toothed. 



Monopis Chesnut-streaked. Cypria White-ribbed. 



Saccharina Star. Oculus-capri Goafs-eye. 



Angulosa Angular. Pentagona Five-angled. 



Repanda Small- sun. Granularis White-grained. 



Tennis Thin-amber. Granatina Garnet. 



