MAIN ARGYLL AND ITS INLAND MOLLUSCAN FAUNA 233 



Hyalinia tiitidula. 



Dunstaffnage Castle, Oban, numerous (Alex. Somerville, 

 January 1886); Dunoon; Hunter's Quay, one; Ardenadam, 

 one; near Glen Morag, Dunoon, two — all 25th August 1886 

 (W. D. R.); Isle Lismore, one, August 1893 (R. Standen and 

 J. Ray Hardy) ; islands on Loch Awe (William Evans) ; var. 

 fiifensj Oban, ]\I['Murtrie] (Royal Scottish Museum, Edinburgh, 

 May 1913). 



Hyalinia pura. 



Along Kerrera Sound, Oban, at foot of old red sandstone 

 conglomerate rocks, in wood chiefly oak, larch, and spruce, 

 with var. /nargaritacea, 14th December 1886 (J. E. Somer- 

 ville); Glen Shira, Inveraray (F. G. Binnie, before i8gi); var. 

 margaritacea, Oban (British Museum, September 1886). 



Hyalitiia radiatula. 



Dalmally (Alex. Shaw,. 12th June 1889); Oban (Janet 

 Carphin, before 1891). 



Hyalinia crystallina. 



Oban (British Museum, September 1886); at foot of old 

 red sandstone conglomerate rocks, in a wood chiefly oak, 

 larch, and spruce, along Kerrera Sound, Oban, 14th December 

 1886 (J. E. Somerville) ; var. contracta, Isle Lismore, September 

 1889 {id.). 



Hyalinia fulva. 



Oban (British Museum, September 1886). 



Zonitoides excavatus. 



Lochan Dubh, near Oban, a few, August 1893 (R. Standen 

 and J. Ray Hardy). 



Pyramidiila rotundata. 



Oban, numerous (Alex. Somerville, January 1886); Loch 

 Awe, a few {id.); Dunoon, a few; Glen Morag, a few; Arden- 

 adam, a few; Hunter's Quay, one — all 25th August 1886 

 (W. D. R.); at foot of old red sandstone conglomerate 

 rocks, in wood chiefly oak, larch, and spruce, along Kerrera 

 Sound, Oban, 14th December 1886 (J. E. Somerville). 



Pyraviidula rupestris. 



Ardbairn Crags, Oban (W. H. Heathcote, 1901). 



So far this marks the northern range of the species on the 



western coast except as regards the Durness (Sutherland West) 



Observation, which is not as yet authenticated. 

 Acanthiniila aculeata. 



Oban (British Museum, September 1886); at foot of old red 



