I04 ^VARRE^• : marine MOLLUSCA of KILLALA bay, IRELAND. 



R. punctura uMont.). Of frequent occurrence at Bartra and 

 Enniscrone. 



R. costata (Adams). Rather common, Bartra. 



R. parva (DaCost.). Swarming on all small sea-weeds. 



R. parva var. exilis Jeff. Bartra, rare. 



R. inconspicua Alder. Mr. Marshall has detected this shell 

 in drift from Enniscrone. 



R. m em b panacea (Adams). Occasionally at Bartra and 

 Enniscrone. 



R. violacea Desm. Amongst the rocks at Carrahubbuck. 



R. striata (Adams). 



R. proxima Aider. Rare at Enniscrone. 



R. fulgida (Ad.). 



R. soluta Phil. 



R. semistriata (Mont.). 



R. cingillus (Mont.). Of frequent occurrence. 



Hydrobia ulvse (Penn. ). Swarming on green sea-weeds 

 throughout the estuary. 



Barleeia rubra (Mont.). Rare on this coast. I have only seen 

 one. 



Jeffreysia diaphana (Alder). Rare, Enniscrone. 



Skenea planorbis (,Fab.). 



Homalogyra atomus (Phil.). Shell-sand, Enniscrone. 



H. rota {Yvv. &: Han.). I wish I could say I had procured this 

 lovelv atom. But I have only gazed on it for a few 

 moments. Some years ago I brought some small sea- 

 weeds from Carrahubbuck, and put them in a plate of 

 water, and had got the lens on H. rofa, shewing well in 

 a good light, when I was called away hurriedly, and on my 

 return the little animal had vanished for ever. 



Caecum glabrum (Mont.). 



Turritelia terebra (L.). 



Scalaria turtonas (Turt.). Rare on this coast. I have only 

 procured two imperfect specimens. 



S. communis Lam. Rather frequent. 



J.C., vii., Oct., 1092. 



