126 
ST. HELENA. 
Fam. Scalariidce. 
Scalaria, Lam. 
*S. modesta, C. B. Adams. — A very beautiful, fluted, spiral 
shell, about three-quarters of an inch in length, found alive on the 
W mdward Coast adhering to the rocks. Very rare. 
Fam. Pyramidellidce. 
Odostomia, Flem. 
*0. circinata, H. Adams. 
Fam. Ianthinidce. 
Ianthina, Lam. 
*1. fragilis, Bruguiere.— This beautiful purplish-blue and white 
shell is cast ashore in a living state in large quantities on the 
beach at Sandy Bay, on the windward side of the Island, during 
strong S.E. trade-winds, and with it are associated large numbers of 
the Portuguese Man-of-War and a species of Felella. 
Fam. Fulimidce. 
Eulima, Bisso. 
*E. n. sp.— A very beautiful small, long, thin, pearly-white shell, 
about one-third of an inch in length, found in a dead state in the 
pools of the West Rocks, but in good preservation and apparently 
recent. 
Fam. Naticidce. 
Natica, Bruguiere. 
nitida, Donovan. — A British shell found on the sea-shore. 
CLASS III.— CONCHIFERA. 
Order Lamellibranchiata. 
Fam. Ostreidce. 
Ostrea, Linn. 
*0. crista-galli, Linnd.— This scallop-lipped Oyster, which is 
common in the Asiatic seas, is occasionally taken in a living state 
off St. Helena at a depth of fifty or sixty fathoms. 
