332 
MOLLUSCA. 
Genus Crania. 
C. personata, Sow. 
From deep water, off Youghal, Dr. Ball. 
On Pinna ingens , dredged at Cork and Kinsale, Mr. Humphreys. 
In shell-sand, mouth of Belfast Bay, 1850, Mr. Hyndman. 
CLASS L AMELLIBRAN CHI AT A. 
Division Monomtaria. 
Family Ostreadjs. 
Genus Anomia. 
A. ephippium, Linn. 
“West of Ireland, Dublin Bay,” Turton; on oysters from coasts of 
Antrim and Down, W. T ; Bantry Bay, Mr. J. D. Humphreys ; Dublin 
Bay, two specimens, and in great plenty on oysters from Carlingford and 
Lough Strangford, Brown. It is common and often gregarious on oysters 
from the northern and eastern coasts generally. Dublin ; Youghal, Dr. 
R. Ball ; Cork Harbour, Mr. Humphreys ; dredged in Clew Bay by our 
party in 1840. 
A. squamula, Br. Turt. 
“ Not uncommon, adhering to Carlingford oysters,” Brown. Dublin 
Bay, Turt. Catal. Common on the coasts of Londonderry, Antrim, and 
Down, about the roots of tangle ( Laminaria diyitata), &c. Youghal, Dr. 
R. Ball ; Cork Harbour, Mr. Humphreys, who remarks in the Fauna of 
Cork, “ frequent on oysters, lobsters, and other marine bodies.” Dredged 
in Clew, Clifden, and Killery Bays (3^-12 fathoms, bottom various) by 
our party in 1840. 
A. undulata, Mont. 
Strangford Lough, Brown. Dublin Bay, Turt. Catal. Specimen thence 
in Dr. R. Ball’s collection, considered A. und. by E. F., 1847, a scarce 
form or species. Such specimens as have come under my notice in a living 
state, were in sheltered sites ; one, and a very large individual, adherent 
to the inside of a quart bottle found in the stomach of a cod-fish ! Carl- 
ingford, Mr. Hyndman. Youghal, Miss M. Ball. Adhering to Pinnce 
taken in Cork Harbour, Mr. Humphreys. 
A. punctata , Turt. (W. T., Ann. N. H., vol. v. p. 13.) 
Youghal, Dr. R. Ball. 
A. cylindrica, Turt. 
Dublin Bay, Turt. Catal. Occasionally found about the roots of 
Laminaria diyitata on the North and North-East coast, Mr. Hyndman, 
W. T. Youghal, Dr. R. Ball. 
A. aculeata, Mont. 
“ In sand from Portmarnock, not uncommon,” Brown. Dublin Bay, 
Turt. Catal. Not uncommon on the North and North-East coasts, chiefly 
about the roots of Laminaria diyitata. Youghal, Dr. R. Ball. 
