r905. GriERSON. — Notes on the Mollusca of Co. Louth. 217 



Helix hortcnsls, HiilL— Ardee, and 5 miles north on old Carrickma- 

 cross road (81) were the only localities in which I took it, and the 

 shell was not plentiful. Miss Sydney vSmith showed me some 

 //. nevioralis taken near Termonfeckin ; there was one //. hortcnsis 

 among them (92). 



H. aspcrsa, Midi.— Dundalk (70-71). Ballymascanlon ; Omeath : 

 Grange (var. undiilata) (71). Ardee; Dromiskin (81). Annagassan 

 (82). Mellifont Abbey (91). Beaulieu ; Baltray (92). Fairly common 

 in most places. 



Bulimus obscurus, Mull.— Ardee (type and var. albino) (Si). Townley 

 Hall (91). Rare ; taken in both places on or close to limestone. 



Cochlicopa lubrlca, Midi.— Dundalk ; Blackrock ; Cortail (70). 

 Ravensdale ; Omeath ; Carlingford (71). Ardee (type and var. 

 hyalitta)', Darver; Collon(8i); Dunany; Barmeath (82). Townley Hall 

 (type and var. hyalina) (91). Beaulieu; Baltray (92). Common 

 everywhere. 



Coeclllanella acicula, Mull.— Three miles north of Dundalk (70). 

 Carlingford (71). Ardee (St.). E. and W. of Drogheda (91-92). Fairly 

 common in the south of the county in the limestone district ; rare, 

 except in one quarry hole at Ardee, and very rare north of Dundalk. 



Pupa anglica, Fer — East of Inniskeen (70). Ballymascanlon (71). 

 Collon (81). Townley Hall (type and \^x. pallida) (91). Rare; found 

 very locally. 



Pupa cyllndracca, Da Costa. — Dundalk (70). Ballymascanlon; 



Omeath; Carlingford (type and var. «^r/a) (71). Annagassan; Ardee; 



Darver (81). Dunany (82). Mellifont Abbey; Townley Hall (91). 



Beaulieu ; Baltray (92). Common everywhere. 

 P. muscorum, Mull. — Dundalk (70). Ballymascanlon; Omeath (71). 



Dromiskin; Ardee (81). Barmeath; Dunany (82). Townley Hall 



(var. brevis) (91). Drogheda (92). Fairly common along the coast, 



rare inland. 



Vertigo cdcntula, Drap.— East of Inniskeen (70). Ballymascanlon; 



Omeath ; Carlingford (71). Collon (81). Barmeath (82). Townley 



Hall (91). Rather common in old plantations. 

 V. pygmaea, Drap. — Dundalk; Blackrock (70). Ravensdale; Omeath; 



Carlingford ; Bellurgan (71). Salterstown (82). Baltray (92). Rare, 



except near the sea coast. 

 V. substriata, Jeffr. — Ravensdale; near Bush station (71). Ardee ; 



Collon (81). Ivough Drumshallon (82). Townley Hall (91). By no 



means common. 



V. antivertigo, Drap.— East of Inniskeen ; Blackrock (70). Carling- 

 ford and south of Bush station (71). Ardee ; Collon (Si). Barmeath 

 (82). N. of Townley Hall and near Drogheda (91). Common in 

 marshy places. 



Balea perversa, L.— Louth (70). Carlingford (71). Ardee; Collon 



(81) . Blackball (82). Townley Hall (91). Baltray (92). Very local. 

 Clausula bidentata, Strom. — Dundalk (70). Ballymascanlon ; 



Omeath; Carlingford (71). Collon (81). Annagassan; Barmeath 



(82) . Townley Hall (91). Beaulieu ; Baltray (92). Fairly common 



