Clare Island Survey— Laud and Fresh-water Mollusca. 23 §T 







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stagnalis {Baster), 

 Bithynia tentaculata (Z.), 

 Valvata piseinalis {Miill.'), . 



eristata {Miill.), 

 Acicula lineata {Drap.), 

 Neritina fluviatilis {£.), 

 Margaritana margaritifera Z., 

 Anodonta cygnea (Z.), 

 Sphaerium cornenm (£.)> 

 Pisidium subtruneatuiii Mulm, 



pulchellum Jenyns, 



casertanum Foli, 



obtusale, Pfeiffer, 



nitidum Jenyns, 



pusillum (Gmelin), 



personatum Mubn, 



milium Held, 



steenbuchi Moller, 



lilljeborgi Clessin, 



hibernicura JFesterlund, 



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VOL, R.I.A. PROC, XXXI. H 



23 



