Clare Island Survey — Marine Mollusca. 22 19 



Eulimella nitidissima (Montagu). (Oelostomia.) M. E. Rare : only 2 shells 

 taken, one in 2 f. off Inishlyre, the other in 19 f. in mid-bay. 



Trophon muricatus (Montagu). M. Rare : in one dredging only in 10 f. 



off Old Head, 2 shells. 

 Ocinebra erinacea (Linne). (Murex.) E. Frequent: living at low tide on 



the shores of the eastern islands, as Armagh Is. and Donnish ; not 



seen in Clare Is., and only once taken in dredging, a single shell in 5 f. 



off Inishlyre. 

 Purpura lapillus (Linne). W. E. Common in all suitable stations. 

 Nassa reticulata (Linne). W. M. E. Rather common : in 8 dredgings, 5-16 f. ; 



living in abundance in 5 f., and frequent at low tide round the shores of 



the eastern islands. 

 N. incrassata (Strom). W. M. E. Common : living at low-water mark on 



the shores of Clare Is., and of the eastern islands; shells taken in 9 



dredgings, 2-8 f. 

 Buccinum undatum (Linne). W. M. E. Frequent, living, at low water; shells 



frequent in dredgings, 5-10 f. 

 Clathurella linearis (Montagu). (Defrancia.) M. E. Frequent : dredged 



6 times, 5-19 f., a total of 72 shells. Living in 5 f. off Inishlyre. 

 C. purpurea (Montagu). [Defrancia.) M. E. Very rare ; one mature 



broken shell dredged in the bay in 19 f. 

 Mangilia striolata (Scacchi). (Pleurotoma,.) W. M. E. Rather rare : dredged 



5 times, 4-19 f., a total of 18 shells, 9 of these in one haul in 19 f. The 



largest shell was 12 mm. long. 

 M. attenuata (Montagu). (Pleurotoma.) M. Rare: one shell at 16 f., and 



2 others at 20 f. One dead specimen, Clew Bay : Nichols, 1900. 



M. costata (Donovan). (Pleurotoma.) W. M. E. Common: dredged 6 times, 



5-19 f., 179 shells in all. Living in 5 f. off Inishlyre. 

 M. brachystoma (Philippi). (Pleurotoma.) M. Rare: one shell taken in 



16 f. and 7 in 19 f. 

 M. nebula (Montagu). (Pleurotoma.) W. M. Frequent : dredged 8 times 



5-19 f., 53 shells in all. Living at 10 f. and at 19 f. 

 Haedropleura septangularis (Montagu). (Pleurotoma.) W. M. E. Rare : in 



3 dredgings, 5-10 f., 8 shells, the largest 16 - 5 mm. long. 



Bela rufa (Montagu). (Pleurotoma.) W. M. E. Rare : dredged 4 times, 



2-19 f., a total of 7 shells. 

 B. turricula (Montagu). (Pleurotoma.) E. Rare : in 4 dredgings amongst the 



eastern islands in from 2-5 f., 5 shells taken. 



C2 



