Mr. W. Thompson on the Fauna of Ireland. 1 1 



" Arion hortensis, Fer. Common at Cranmore [Belfast]." Temp. 

 MS. Coloured drawings of the var. of this species named A. 

 circumscriptus by Dr. Johnston were made by Mr. Templeton 

 in 1808. 



" Limax agrestis, Gmel. Common." Temp. MS. 

 ■ variegatus, Fer. (Hist, de Moll. p. 71. pi. 5. f. 1 — 6.) Youghal 



in Mr. Ball's collection. 



Helix concinna, Jeff. Common in Ireland, especially in the north. 



Succinea gracilis. Alder. Widely diffused in Ireland. Mr. Alder, I 

 believe, now rather considers this to be a variety of S. amphibia. 



Limneus lacustris. Gulnaria lacustris, Leach. Found in Lough Neagh 

 and lakes generally. 



Lottia ? pulchella, Forbes. ' Malac. Monensis,' p. 35. • Mag. Nat. 

 Hist.' viii. p. 591. f. 61. In Mr. Hyndman's collection (Belfast) 

 are a few small specimens of this shell — the first obtained on 

 the shore of Belfast Bay by Mrs. M'Gee, the others found by 

 Mr. H. adhering to oysters in Belfast market in 1831. 



Patella ? Forbesii, Smith, ' Wern. Mem.' vol. viii. p. 107. pi. 2. One 

 of this species was found by Miss M. Ball several years ago in 

 company with Orbicula Norvegica, Lam. on a stone dredged in 

 very deep water at Youghal. 



? ancyloides, Forbes, MS. Obtained by Mr. Hyndman many 



years ago on oysters from Strangford lough. Length 3 lines, 

 breadth 2|, height 1^. The great resemblance this shell bears 

 to the Ancylus fluviatilis is not confined to external appearance, 

 but internally it exhibits the same blueish cast. 



" Dentalium striatulum. Found in sand near Cove." Mr. John 

 Humphreys. Portmamock, Mr. Warren. 



" Chiton ruber, Linn. Among oysters from Killinchy, Down." 

 Temp. MS. Found by Mr. Hyndman and myself in different 

 localities on the north-east coast. 



albus, Mont. As last. 



fuscatus. Brown. Ditto. 



Aplysia depilans, Linn. Youghal and Dublin, R. Ball, Esq. M. Mal- 

 bay, W. H. Harvey, Esq. Obtained by dredging in Belfast and 

 Strangford loughs by Mr. Hyndman and myself. 



" punctata, Cuv. Dublin." R. Ball, Esq. 



" Bulla catena, Mont. M. Malbay, rare. A beautiful little species 

 about a line in length marked with elegant chain-like bands." 

 W. H. Harvey, Esq. 



striata. Brown, Illust. pi. 38. f. 41, 42. Bangor, co. Down. 



Mr. Hyndman. 



