4104 Mollusks. 



Nucula nitida. Dalkey Sound, Killiney Bay, &c. 

 „ nucleus. General. 

 „ radiata. Rare ; Dalkey Sound. 

 „ tenuis. Ditto. 

 Leda caudata. Very rare ; Dalkey Sound and Killiney Bay. 

 Pectunculus glycimeris. Rare ; off Dublin Bay and in Dalkey 

 Sound. 



Lima hians. Very rare ; Killiney Bay. 



„ Loscombii. Rare ; Dalkey Sound. 

 Pecten maximus. Dublin, Killiney, and Bray ; also in Dalkey 

 Sound. 



„ niveus. Very rare ; Kingstown, Dublin Bay. 

 „ opercularis. General. 

 „ pusio. Off Dalkey Island. 

 „ varius. Dublin Bay, Dalkey Sound, &c. 

 „ tigrinus. Bays of Killiney and Bray, and Dalkey Sound. 

 Ostrea edulis. Many fine oyster-beds are dispersed throughout our 

 bays. I have found good pearls in those taken in Dalkey Sound. 

 Anomia aculeata. Dalkey Sound and Killiney. 

 „ ephippium. Rare ; off Dublin Bay. 



„ „ var. squamula. Found in the interior of Iso- 



cardia cor. 



„ striata. Very rare ; Dalkey Sound. 

 „ patelliformis. General. 

 Chiton asellus. Killiney Bay and Dalkey Sound. 

 „ fascicularis. Scarce ; Killiney, &c. 

 „ cinereus. General. 

 „ laevis. Rare ; Dalkey Sound. 

 „ ruber. Rare ; Dalkey Sound and Killiney. 

 „ marmoreus ? Salthill. 

 Patella vulgata. Common. 

 „ athletica. Killiney. 



„ pellucida. Killiney, in the roots of Laminaria. 

 „ „ var Icdvis. Ditto. 



Acmsea testudinalis. Salthill. 



„ virginea. Dublin and Killiney Bays, and Dalkey Sound. 

 Dentalium entalis. General. 



* „ Tarentinum. Rare ; Dublin Bay and Dalkey Sound. 

 Pileopsis Hungaricus. Skerry Bay, Dalkey Sound, and off Bray. 

 Fissurella reticulata. Scarce ; Dalkey Sound. 

 Emarginula reticulata. Ditto. 



