of the North of Ireland . 8 1 
Chiton margin at us, Pennant. 
Among oysters from Killinchy (Temp. MSS.), in the stomach of a haddock 
taken at Newcastle, Co. Down, and in other localities on the North-East 
coast — Thompson ( sub C. f uscatus, Brown). Though it is a common species 
generally, neither Hyndman nor Dickie has any note of it. Belfast Lough— 
Belf. Mus. Coll. 
Chiton ruber ( Linne ), Lowe. 
“ Among oysters from Killinchy, Down, Temp. MSS. Found hy Mr. 
Hyndman and myself in different localities on the North-East coast” — 
Thompson. Living in 15-25 fathoms north of Larne — Hyndman ; and in 
and about Strangford Lough in 7-20 fathoms— Dickie. Belfast Lough — 
Belf. Mus. Coll. 
Chiton Isevis ( Pennant ), Montagu. 
Living, very rare, in Castle Ward Bay, Strangford Lough, 7-20 fathoms — 
Dickie. Belfast Lough — Belf. Mus. Coll. 
Chiton marmoreus, Fabricius. 
‘ 1 Obtained in Strangford Lough hy Mr. Hyndman and myself. On 
oysters brought to Belfast market from Carlingford, and Greencastle (Co. 
Londonderry), W. T.; Bangor, Co. Down, Mr. B. Patterson” — Thompson 
{sub C. Icevigatus). Strangford Lough — Mr. S. A. Stewart. 
OEDEE PECTINIBEANCHIATA. 
Patella vulgata, Linne. 
Between tide marks, on stones and rocks ; very common here, as elsewhere. 
Hyndman dredged dead shells in 27 fathoms on the Turbot Bank. He makes 
a curious statement about the limpet on the authority of Captain White, 
Harbour Master — that it is found to he good for eating and wholesome on the 
outer coast of Co. Down, but that in Strangford Lough it is found not to he 
wholesome, and is avoided hy the people there. There is an interesting 
paper in the “ Annals of Natural History” for June, 1839, hy the late Mr. 
Bobert Patterson, F.B.S., on the use of the limpet as food in the North of 
Ireland, which will well repay perusal. 
var. depress®,. “Living. Coast of Down, in Mr. Hyndman’ s cabinet” — 
Hyndman, 1859 Beport ( sub P. athletica). Bangor, Co. Down — Belf. Mus. 
Coll. 
Helcion pellucidum, Linne. 
Of general occurrence round our shores, on the broad fronds of Laminaria 
digitata, at and near low water mark. Dickie brought up living specimens 
from as deep as 15 fathoms in Wellstream Bay, Strangford Lough, and 
Hyndman dredged it dead on the Turbot Bank {Patella pellucida). 
