232 roebuck: upper swaledale conchological notes. 



Strands, Low Lane near Isles Bridge, and in Arkengarthdale 

 near Wood House. 



Helix rotundata. An abundant species throughout the dale ; 

 Keld, Park House near Keld, Angram, Muker, woods by 

 Kisdon Force, roadsides at Scar House near Thwaite, Ivelet, 

 Satron, Gunnerside Scars, Gill, and village. Strands, Low Row, 

 Wood End near Feetham, Low Lane near Isles Bridge, 

 Healaugh, Grinton, Reeth, and in Arkengarthdale near Wood 

 House. 



Helix rupestris. Abundant on limestone walls and scars ; Keld, 

 Park House near Keld, near Ivelet Bridge, roadside walls near 

 Satron, Gunnerside Scars, Barf Hill near Strands, and Low Row. 



Helix pulchella. Not uncommon in Gunnerside village, and also 

 found on roadsides at the Strands and at Wood End near Feetham. 



Bulimus obscurus. Occasionally found ; roadsides near 

 Satron, Gunnerside Scars and Gill, Strands, and top of Barf Hill. 



Pupa umbilicata. By no means uncommon at Angram, Muker, 

 Gunnerside Scars, in the village, and by roadsides near Satron ; 

 also at Strands, Low Row, and Wood End near Feetham. 



Vertigo pygmaea. Not uncommon by roadsides at the Strands, 

 Low Row, and near Low Whita Bridge. 



Balea perversa. Plentiful on walls at Satron, near Ivelet Bridge, 

 Gunnerside, the Strands, etc. 



Clausilia rugosa. A common species by roadsides at Keld, 

 in Kisdon Force woods, roadsides near Satron, near Ivelet 

 Bridge, Gunnerside Gill, Strands, Low Lane near Isles Bridge, 

 Wood End near Feetham, and Grinton. 



The var. dubia is numerous on walls at Keld, at Park House 

 near Keld, and by roadsides near Satron, 



Azeca tridens. A few are to be found on roadsides, near Satron, 

 and in Gunnerside Gill. 



Zua lubrica. A common species by roadsides ; Kisdon Force 

 woods, in the Buttertubs Pass, Scar House near Thwaite, near 

 Muker, near Satron and in Gunnerside village, Gunnerside 

 Scars, the Strands, Barf Scars above Strands, Low Row, Wood 

 End near Feetham, Low Lane near Isles Bridge, Healaugh, and 

 in Arkengarthdale at Wood House. 



The var. lubricoides is not uncommon with the type by road- 

 sides near Satron, in Gunnerside village, and at \Vood End near 

 Feetham. 



Carychium carychium. Not uncommon by roadsides, at Satron, 

 in Gunnerside village, and at the Strands. 



Naturalist, 



