Clare Island Survey — Marine Mollusca. 22 31 



Mactra stultorum Linne. W. M. E. Bather rare : in 5 hauls, 7-154 f., a total 



of 10 valves and 2 live specimens (in 10 f. and in 14 f.). 

 Gouldia minima (Montagu). {Circe.) W. M. E. Bather rare : dredged 



5 times, 5-19 f., a total of 15 valves, of which 9 were taken in 19 f. 



The largest valve was 11 mm. in diameter. 

 Dosinia exoleta (Linne). ( Venus.) W. M. E. Wide-spread and locally 



abundant : taken in 8 dredgings, 2-19 f., and living at 14 f., 15 f., 



and 19 f. Valves frequent on the beaches at Belclare and Annagh 



Island. 

 D. lincta (Pulteney). ( Venus.) W. M. More generally diffused than the 



preceding species. Dredged 12 times, 5-25|- f. ; living in 19 f. 

 Venus verrucosa Linne. E. Very rare. Absent from all dredgings, only 



2 valves taken in shore gatherings, one at Annagh Island, the other near 

 the S. W. extremity of Curraun Achill. 



V. casina Linne. M. E. Bare : a total of 7 valves taken, 4 on the beach at 



Annagh Island, 2 in 2 f. off Scotch Bonnet, and 1 in 19 f. in the bay. 

 V. fasciata Da Costa. W. M. E. Common: dredged 12 times, 2-21 f., living 



at 2 f., 5 f., 10 f„ and 19 f. 

 V. gallina Linne. W. M. E. Common : taken in 15 hauls, 2-20 f., riving 



at 2 f., 10 f., 14 f., 15 f., and 19 f. The Var. laminosa (Montagu) was twice 



taken, in 8 f. and (living) in 19 f. 

 V. ovata Pennant. W. M. E. Common : in 14 hauls, 2-19 f., living at 2 f., 



4f., 51,81, and 10 f. 

 Lucinopsis undata (Pennant). W. M. Bare: dredged 3 times, 5-19 1, a 



total of 4 valves. 

 Tapes virgineus (Linne). M. E. Very frequent : taken in 5 hauls, 2-19 f., both 



living and dead. Valves on the beaches at Annagh Island, Belclare, &c. 

 T. geographicus (Chemnitz). (T. pullastra.) W. E. Bather rare : sparingly 



at Portlea, Clare Island (Var. perforans), and valves not infrequent on 



the shore at Old Head, Annagh Island, Belclare, and Curraun Achill. 

 T. decussatus (Linne). E. Valves frequent in dredgings off Inishlyre in 



5 f . ; very common on the shore at Annagh Island and Belclare, and 



occasional at Curraun Achill. 

 T. aureus (Gmelin). E. Very frequent : a characteristic species of the inner 



islands. Living at low water, Dorinish, Annagh Island, &c, and living 



and dead in dredgings off Scotch Bonnet and Inishlyre in from 2-5 1 



The largest shell taken measured 37 mm. x 32 mm. Clew Bay in from 



3 to 10 f. : Forbes, '53. 



Venerupis irus (Linne). W. Bare : twice dredged off Clare Island, once in 5 f, 

 (2 fragments) and again in 10 f., 2 valves, 



