Clare Island Survey — Land and Fresh-water Mollusca. 23 19 



to be found in this one locality. In the following table all species which have 

 been recorded as occurring at an altitude of 750 feet or more in West Mayo 

 are listed. 



List of Species found above 750 feet altitude :- 



Species. 



Limax arborum. 

 Agriolimax agrestis 

 Milax gagates. 

 Vitrina pellucida. 

 Hyalinia alliaria. 



nitidula. 



pura. 



radiatula. 



crystallina. 

 Euconulus fulvus. 

 Arion ater. 



subfuscus. 



intermedins. 

 Punctum pygmaeum. 

 Sphyradium edentulum. 

 Pyramidula rotundata. 

 Hygromia fusca. 

 Aeanthinula aculeata. 



lamellata. 

 Cochlicopa lubrica. 

 Pupa anglica. 



cylindracea. 

 Vertigo substriata . 

 Balea perversa. 

 Olausilia bidentata 

 Caryohium minimum. 

 Limnaea truncatula. 

 Ancylus fluviatilis. 

 Acicula lineata. 

 Pisidium casertanum. 



personatum. 



750 



to 

 1,000 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



1,000 



to 

 1,250 



X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 



1,250 

 to 

 1,500 



X 

 X 



1,500 

 to 

 2,000 



X 



2,000 2,500 



to 



2,500 upwards. 



X X 



X — 



X — 



X — 



X — 



X — 



X 

 X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 



X 

 X 

 X 



X 

 X 

 X 



S.l.A. PROC,, VOL. XXXI, 



Q 



23 



