340 
MOLLUSCA. 
Nymph Bank, where it is known to the fishermen by the name of powder- 
horn — they roast the animal for food. P.fragilis outside Kinsale harbour, 
Cork Fauna. Although the Pinna is marked as found on each side of 
the island, it is very rarely met with except on a portion of the southern 
coast, where it is common. The very few specimens, all taken in deep 
water, which I have seen from the coasts of Londonderry, Antrim, Down, 
and Louth, were of large size, and all P. ingem or P. fragilis (Turt. Brit. 
Biv., pi. 20, f. 2). A specimen of P. ingens , 14 inches in length, dredged 
off Cape Clear, has been noticed as presented by Lieut. Wilson, R. M., to 
the Dublin Nat. Hist. Society, in 1844 : the species was since dredged 
there by Mr. M ‘Andrew, but not living. A Pinna dredged in Belfast 
Bay, and now in Mr. Hyndman’s cabinet, exhibits brownish-coloured 
pearls of the same colour as the shell itself. Mr. Barlee includes P. fragilis 
in his list of Birterbuy Bay shells, being the only note of Pinnce found 
on the western coast, known to me. 
Pinnce. Feb. llth, 1848. 
Bernard Meenan sent me one dredged from 50 fathoms, off Island 
Magee. It is thence the Pinnce are brought to Belfast ; a circumstance 
of very rare occurrence, however. But B. Meenan states that he has at 
various times seen many of them which were taken there ; being generally 
broken more or less, they are not brought to Belfast. B. M. believes they 
are taken by becoming entangled in the long lines, or by the line getting 
within the valves, and the animal closing them upon it. 
Family UnioniDjE. 
Genus Anodon. 
A. cygnea, Turton. 
The Anodon is known to me as found in suitable localities all over the 
island, except in the extreme South. The Anodonta intermedia (Pfeiffer, 
i. 113, t. 6, f. 3), I have obtained in the rejectamenta of the Lagan 
Canal, near Belfast. Specimens from the Grand Canal near Dublin, 
favoured me by Dr. Ball, are the A. cygnea , Pfeiffer, i. Ill, t. 6, f. 4 ; 
and Rossmassler, fig. 342 ; and in Mr. Hyndman’s collection is a very fine 
specimen, 3^ inches long and 6f broad, from the Moyntaghs, Co. Armagh. 
From the Grand Canal also, and the river Shannon, I possess specimens 
of the A. anatina, Pfeiffer, i. 112, t. 6, f. 2 : and from this last locality, 
likewise, I have the A. cellensis, Pfeiffer, i. 110, t. 6, f. 1, and Ross- 
massler, fig. 280. Of this last I have had the advantage of a comparison 
with English specimens, kindly sent me by Mr. Alder, and named A. 
cellensis, Pf. From the Anodon varying so much, not only according to 
locality, but in the same waters, I cannot coincide with the authors who 
make so many species. The four forms here noticed I venture with Mr. 
Gray to consider but one species : of the Irish specimens, which I have 
critically compared, none exactly agree with the A. ventricosa or A. pon- 
der osa of Pfeiffer. W. R. Wilde, Esq., of Dublin, informs me that Ano- 
dons are thrown up in quantities on the shores of Lough Schur, County 
Leitrim, where they are eaten by the peasantry. Sliggaun is the com- 
mon name applied to the Anodon in the North of Ireland. 
Anodons. Mr. Evatt of Mount JLouise, Monaghan, tells me that they are 
common in all the lakes there. At Clew Lough (Co. Monaghan) when 
drawing his net for trout, he has taken as many — and to his annoyance — as 
a man could carry, or what would fill three or four stable buckets. 
Anodons, from Maghery Ferry, 1849 and 1850. 
