94 The Irish Natuialist. May, 



Lough Nacroagh, Co. Fermanagh. 



Pisidium milium. Held. Pisidiiim lilljehorgii, Clcss. (very large 



and globose). 



TULLYXALOOB LoUGH, Co. FERMANAGH. 

 Pisidium piisillum, Jenyns. 



Lough Aguse More, Co. Fermanagh. 



Pisidium milium. Held. Pisidium Lilljehorgii, Cless. 



Lough Aguse More West, Co. Fermanagh. 



Pisidium Lilljehorgii, Cless. 



Derrintrig Lough, Co, Fermanagh. 



Pisidium pusillum, Jenyns. Pisidium Lilljehorgii, Cless. 



TuLLY Lough, Co. Fermanagh. 



Sphoerium corneum (Linn) Pisidium milium. Held. 

 Pisidium suhtruncatum. Malm. pusillum, Jenyns. 



casertanum (Poll.) Lilljehorgii, Cless. 



ohtusale, Jenyns. 



TuLLY Lough More, Co. Fermanagh. 



This is really two small loughs connected b}^ a stream, 

 and is apparently much smaller than when the i-inch map 

 was constructed. They are situate 2^ miles N.E. of Leggs. 



Limnaea pereger (Miill.) Pisidium casertanum (Poll.) 

 Planorhis alhiis, Miill. nitidum, Jenyns. 



Bithynia ientaculata (Linn.) milium. Held. 



Sphaerium corneum (Linn.) pusillum, Jenyns. 



Pisidium suhtruncatum. Malm. Lilljehorgii, Cless. 



Lough Nafeola, Co. Fermanagh. 



Limnaea pereger (Miill.) Pisidium milium. Held. 

 Sphaerium corneum (Linn.) pusillum, Jenyns. 



Pisidium suhtruncatum, Malm. Lilljehorgii, Cless. 



casertanum (Poli.) 



