C. marginatus, Penn.

On all parts of the Irish coast.

C. ruber, Linn.

Among oysters from Killinchy, Down. Temp. MSS. Found by Mr. Hyndman and myself in different localities on the North-East coast.

C. albus, Mont. As last.

C. fuscatus, Brown. As last.

Newcastle, Co. Down, Oct., 1851.

I found a large perfect one in the

stomach of a haddock; the first Chiton I remember to have taken from

the stomach of a fish.

C. cinereus, Linn.

On most parts of the Irish coast.

C. lævis, Mont.

On both sides of Ireland, but rare.

C. albus, Linn.
North coast of Ireland.

C. lævigatus, Flem.

Obtained in Strangford Lough by Mr. Hyndman and myself. On oysters brought to Belfast market from Carlingford and Greencastle (Co. Londonderry), W. T.; Bangor, Co. Down, Mr. R. Patterson.

C. Hanleyi, Bean.

Dredged off Arran islands, Co. Galway, by Mr. Barlee, in 1848; Mr. Jeffreys.

The Museum of Irish Industry, 51, Stephen's Green, Dublin, contains a specimen labelled as obtained at Whitehead Bay, County Antrim, November, 1839. It was, I believe, taken alive by dredging.

Alive in deep water, off the Copeland Islands, 1850, Mr. Hyndman.

T. psittacea, Turt. (sp.), Conch. Dict. p. 5.

A specimen of this Terebratula, labelled "Dublin Bay," was observed by Mr. Alder and myself in the Museum of the Royal Dublin Society. Turton mentions a single specimen of "Anomia terebratula" being dredged up alive in Dublin Bay, and placed in the Museum of the Dublin Society;" but we could not ascertain whether the shell now preserved was that alluded to by Turton.

66

Anomia psittacea was noticed by him only as an English species.

C. personata, Sow.

Genus CRANIA.

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 LAMELLIBRANCHIATA.

DIVISION MONOMYARIA.

A. ephippium, Linn.

Family OSTREADÆ.

Genus ANOMIA.

"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 digitata), &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! Carlingford, Mr. Hyndman. Youghal, Miss M. Ball. Adhering to Pinna 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 digitata 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 digitata. Youghal, Dr. R. Ball.

Adhering to Pinna taken in Cork Harbour, Mr. Humphreys. In shell-sand from Kilkee, Co. Clare, W. T. Birterbuy Bay, Mr. Barlee.

O. edulis, Br. Turt.

Genus OSTREA.

Gregarious in suitable localities around the coast, differing much in size and quality, as an article of human food, on different beds.

March 1, 1848.-Carrickfergus Oysters.-The four largest picked from about 500 were brought me to-day. I weighed them before being opened, and found one 2 lbs., another 13 lb. (imperial weight), and the two others about 1 lb. each. I weighed the oysters themselves, after being extracted, and found the two largest about 14 oz. each, the others somewhat less. The oysters from which these were picked are now sold at 16s. for 124. My specimens were dredged from 25 fathoms. March 15, 1848.-The following dredged from about 25 fathoms :Length of shell 5 to 6 inches. Breadth

Depth.

5

5

valves closed 24

March 15, 1848.-Five Carrickfergus oysters brought to me weighed from 1 lb. 13 oz. to 2 lbs. 1 oz.

"Portmarnock, rare; more plentiful at Bray; and common in L. Strangford." Brown. Along the Antrim and Down coasts, where it is commonly called Clam, and used as human food, though not so generally esteemed as the scallop (P. opercularis), W. T. Dredged in Clew and Killery Bays.

1834. Člam-shell filled with oil, in which a lighted wick was placed, was the only light given us in the inn at Arran. It was placed on the hob of the fire-place.*

P. opercularis, Turt.

The scallop is the most common species both as to distribution round the coast and numbers; gregarious; brought chiefly from Strangford Lough to Belfast market as an article of food. The animals are boiled and taken from the shells before being brought to market, where they are sold by measure. Dredged from about 10 to 12 fathoms, coralline region; in Belfast and Strangford Loughs. On the Dublin and Wicklow coasts the shells are most vividly and beautifully coloured. Dredged in Clew and Killery Bays. Var. lineatus I have dredged in Belfast Bay, as Mr. Warren likewise has off the Wicklow coast. He has likewise obtained a few on the beach at Portmarnock.

P. sinuosus, Turt.

Commonly met with among oysters and dead bivalve shells; it is occa

Pecten Jacobæus is noticed by Turton, Conch. Dict., as found in Dublin Bay; but in his British Bivalves it is spoken of doubtfully as a British species. It is given as a North of Ireland species in Smith's Catalogue of Recent Shells published in Wern. Mem., vol. viii. part 1. But positive information respecting it is required before it be included in our Fauna, in which I do not anticipate that it will ever properly hold a place.

sionally found adapted to the form of the shell to which it attaches itself. Belfast and Strangford Loughs, Mr. Hyndman; Carlingford, W. T.

P. glaber, Mont.

Cork Harbour, rare, Mr. Humphreys; Birterbuy Bay, Dr. Farran.
I have not seen the specimens from either locality.

P. lævis, Penn.

Noticed as from "Dublin Bay, very rare," in Turton's Catalogue; but in his Conch. Dict. (p. 131 and 133), and Brit. Bival. (p. 213, 214), he makes P. lævis, Mont., the same as P. similis, Laskey. Mr. Barlee includes P. lævis in his Birterbuy Bay list.

P. similis, Laskey.

Numerous valves were dredged from 45 fathoms off Cape Clear by Mr. M'Andrew, who finds it "an abundant deep-water species from Scilly to Zetland." Entrance of Belfast Bay, 30-35 fathoms, Mr. Hyndman. This species was noted, at the suggestion of Professor Edward Forbes, as probably synonymous with P. lavis, in my Report on the Invertebrata of

Ireland.

P. obsoletus, Penn.

Taken not uncommonly, but in limited numbers, in the deeper parts of Belfast and Strangford Loughs, on shelly and sandy ground. A specimen dredged at Roundstone by Mr. Jeffreys, given me by that gentleman.

Mr. Humphreys mentions P. lævis, Penn. Mont., as often found in the intestines of haddock and gurnard taken in Cork Harbour; he favoured me with one of these specimens, which I regard as a smooth variety of P. obsoletus.

P. varius, Linn.

Not very uncommonly found attached by a byssus to the shells of oysters, brought from the North and East coasts, &c., to Belfast market. Dredged in Killery, Clifden, and Clew Bays in July, 1840. Dr. Farran mentions his finding P. varius and P. maximus at 20 fathoms in Roundstone Bay, and in some situations with not more than a foot of water over them in Clifden Bay, and in some instances the P. varius was altogether dry, 1844. Mr. Warren has a specimen 3 inches long and the same broad, found at Killibegs.

P. striatus, Muller.

A single specimen dredged in Strangford Lough in 1837 by Mr. Hyndman and myself.

Procured on rocky ground, East of Cape Clear (40 to 45 fathoms), by Mr. M'Andrew, who remarks that "it is a common though rather deepwater species." I have obtained it at Scilly, Isle of Man, Mull of Galloway, Glenluce Bay, Clyde, and Hebrides; generally adheres to stones; only at Oban have I found it attached to the Fucus.

I have learned from Mr. Barlee that he obtained this species in Birterbuy Bay (County Galway), in the summer of 1845. 1847, I saw a specimen which was dredged off the coast of Waterford, near the Nymph Bank, in Mr. Warren's collection. Nov., 1849, I saw one in Mr. Warren's collection, which he found among a mass of Caryophyllia Smithii brought him from the Nymph Bank above four years ago.

*Pecten Danicus, Cham.

Pecten nebulosus, Brown's Illust.

In Dr. Farran's collection are specimens of this Pecten, purchased of a dealer

L. Loscombi, Sow.

Genus LIMA.

Dredged very sparingly, alive, in the deeper portions of Belfast and Strangford Loughs, on sandy and shelly ground. Single valves of large size obtained in quantity from 23 fathoms, at the entrance to the former, by Mr. Hyndman. Obtained occasionally in the stomach of haddock taken on the North-East coast. In that fish and in gurnard Mr. Humphreys has found it at Cork.

L. tenera, Turt.

The Ordnance Museum contains upon a card a fresh-looking specimen of this shell, and one of Lima fragilis labelled with the latter name, as dredged from 7 fathoms in Belfast Bay. L. tenera has long been known to me as found by Dr. Wm. M'Gee in a recent deposit of mud in Belfast Bay, close to the town.

Near Sana Island, off the Mull of Cantire, Mr. Hyndman dredged single valves of this species in profusion. See Paper in Ann. N. H., vol. x.

L. subauriculata, Mont.

Extremely rare. Two odd valves dredged from about 8 fathoms-sand -in Strangford Lough, in 1837, by Mr. Hyndman and W. T. In the course of a day's dredging in the following year I obtained a single valve in the same Lough.

Dead shells from Belfast Bay are in the Ordnance Collection. A single valve dredged from 23 fathoms-shelly sand-in this bay by Mr. Hyndman, with quantities of single valves of L. fragilis of large size.

"It was first observed as a native by Miss Hutchins in Bantry Bay, and announced as British by Mr. Sowerby in his Min. Conch. i. 14." Flem. Brit. Anim., p. 405.

Dublin Bay, Dr. Turton; by whom it was found there.

Aricula hirundo is the name applied to the species in both instances. See Lam., vol. vii. p. 99, 2nd edit. In Mr. Warren's collection I have seen a specimen in 1839, which was found in the latter locality by that gentleman, and a second one in his possession was stated by the person from whom he obtained it to have been found there.

who stated that he procured them from Lough Foyle, County Londonderry. This evidence, as Dr. Farran remarks, is not sufficient; but it seems desirable to notice the circumstance, as the species, which inhabits the western coast of Scotland, may probably occur on the neighbouring coast of Ireland. I have seen fine specimens from Lough Fyne, Argyleshire. Pecten glaber, Penn. and Mont., believed to be identical with this, has been obtained by Mr. Humphreys at Cork. (Ann. Nat. Hist., vol. v. p. 12.)