1907. STKI.FOX.—Z. & F- IV. Mollusca oj Galway & District. 361 



Planorbis marginatus, Drap. -Lough Corrib and Ballindooley 

 Lough only. 



P. vortex, L — Mr. Collier picked up a dead specimen of this shell on 

 the shore of Ross Lough. 



P. spirorbis, L.— Common, but very small, in most localities: — 

 Kilbeg, Ballindooley, Ross Lough, Ballynahinch, Cregduff, Maumeeii, 

 and in pools on Gorteen and Earawalla Points at Dog's Bay. Some 

 small specimens of this species from Dog's Bay were sent by Mr. A. 

 S. Kennard to Dr. Boettger of Frankfort, who says that they are 

 typical continental P. spirorbis, and that the larger form usually 

 looked upon as the type, which is common in N E. Ireland and 

 England, is var. leucostoma. He adds that the latter is often referred 

 to as a separate species by continental authorities. 



P. contortus, L.— Locally common :— River Corrib at Galway, Kilbeg, 

 Ross, and Ballynahinch. 



P. glaber, Jeff. — Mr. Collier also found on the shore of Ross Lough 

 a specimen of this local shell. 



* 



P. albus, Miill. — Fairly common where it occurred, but local — Kilbeg 



Ballindooley, Clare-Galway, Ross, Ballinaboy, Cregduff and 



Maumeen Loughs. 

 P. crista, L. — Undoubtedly rare in this part of the country, and was 



only taken with Aplexa hypnorum on Gorteen Point at Dog's Bay, and 



in Maumeen Lough. 

 P. fontanus, Lightf. — Taken only at Coolagh, by Mr. Standen. 

 Ancylus fluviatilis, Miill.— Not at all common, but was recorded 



from Kilbeg, and Cregduff and Maumeen Loughs. 

 Acme Iineata, Drap. — Apparently rare, though taken sparingly in 



moss shakings from Kilbeg, Ross, and Dog's Bay. 

 Bythinia tentaculata, L.— Common in Lough Corrib, Ballynahinch 



and Ross Loughs, and in Ballinaboy River. 

 Hyd robia ventrosa, Mont— Some fine specimens were taken in a 



small lake north-west of Kilronan, Inishmcre, which contained 



brackish water. 

 H, Jenkins!, Smith.— A few specimens of this species were taken with 



the last species near Kilronan, on Iuishmore. 

 Valvatapiscinalis, Miill Lough Corrib, Clare-Galway, Ballindooley 



Ross and Maumeen Loughs. 

 V. cristata, Miill.— Found at Kilbeg, Balliiulooley, Clare-Galway, and 



Ross Lough. 

 Nerltina fluviatilis, L.— Only seen in Ross Lough, where however 



it was quite common. 

 Sphserfum corneum,_L.— Common at Kilbeg, Ballindcoley, and 



Ross Lough. 

 S. lacustre, Miill.— The drain below Ballindooley Castle, mentioned 

 in the introduction, was the only habitat discovered for this local 



species. 



A 3 



