1907. Coi&\x.— Marine Mollusca of Lambay. 39. 



FILIBRANCHIATA. 



Anomla ephipplum, Linne.— Common, both living and dead, in 



Talbot's Bay. at Carrickdorrish, &c. 

 A, patelliformis, Linne.— Frequent in harbour and in Talbot's Bay. 

 Mytiius edulis, Linne.— Abundant on rocks at Carrickdorrish, 



the Seal Hole, &c. A common constituent of the sea-gull pellets all 



over the breeding grounds towards Lambay Head. 

 M, modiolus, Linne.— Three living in Talbot's Bay ; occasional dead 



near the harbour. 

 M. phased in us, Philippi.— One specimen in Talbot's Bay and two 



others in harbour, all immature. 

 lYlodioIaria dlscors (Ivinne) — Common, living, in Talbot's Bay and 



Carrickdorrish, also, dead, in harbour sand. 



PSEUDOLAIVIELLIBRANCHIATA. 



Ostraea edulis, Linne.— Single valves occasionally on W. and S.W. 

 shore. 



Pecten pusio (Linnet ) Siugle valves occasionall y in harbour and 

 P. varlus (Linne). \ Talbot,s Ba >'> also iu dredgings from 



) harbour mouth. 



P. operculars (Linne). t ..,,,_ 



P. maximus (Linne). S Sin S le valves occasionally near harbour. 



P. tlgrinus, Miiller.— A fragment in Talbot's Bay ; one perfect valve 

 in harbour sand and a fragment from dredgings outside. 



EU LAM ELLI BRAN CHI ATA. 



Cyprina islandica (Linne). — Fragments found in Carnoon Bay and 



in dredgings from the harbour mouth. 

 Lucina bo real is (Linne) Single valves frequent in harbour and in 



dredgings from outside it. 

 Axinus flexuosus (Montagu).— One valve and two fragments in 



harbour sand. 

 iYlor.tacuta ferruginosa (Montagu).— Single valves frequent *n 



harbour sand 

 IYI. Pidentata (Montagu).- Siugle and double valves rather common 



in harbour and in Talbot's Bay. 

 Cyamiumminutum (Fab.). ) Both rather common, living in 

 Lasaea rubra (Montagu). j Talbot's Bay, and dead in harbour sand. 

 Kellia suPorbicuIaris (Montagu).— One mature valve in harbour. 

 Teilina Palthica, Linne.— One specimen in harbour. 

 T. squalida, Pulteney.— One broken valve dredged off harbour. 



T. tenuis, Da Costa. ) . 



. ' f Both frequent in harbour. 



T. tabula, Gronovius. ) n 



T. donaclna, Linne.— One pair of valves, united and quite fresh, 

 dredged off harbour mouth. 



