Roebuck : Semerdale. 



55 



Helix hortensis, Miill. Occurs along Scar Top, near Bainbridge. 



H. arbusforum, L. Common along the Scar Top ; occurs also 

 about Stallingbusk, Counterside, and in Bardale. 



H. arbusiorum, var. flavescens, Moquin-Tandon. With the type, not 



uncommon on Scar Top. 

 H. rufescens, Penn. Near Stallingbusk Church, in Bank Wood, 



Cragdale, and at Carr End, near Marsett, abundant. 



E. hispida, L. Very common. Scar Top, Bainbridge Yill age-green, 

 round the Lake, about Counterside, Carr End, Stallingbusk and 

 High Blean. 



H. sericea, Miill. One near Semerdale House, and one at Knight 



Close Force, Marsett. 

 H. rotundata, Miill. Common everywhere. 



rupestris, Stud. Common on limestone walls, about Bainbridge, 



Scar Top, Carr End, Stallingbusk, High Blean, Counterside, and in 



Bardale ; also on the summit scars of Addleborough hill (1564 feet 



altitude.) 



Fupa umbilicata, Drap. Common about Bainbridge, Counterside, 

 Carr End, Marsett, Bardale waterfall, Stallingbusk, and High 

 Blean, and on the summit Scars of Addleborough. 



Vertigo pygmcea^ Drap. A few specimens found near Carr End, in 

 damp places. 



Balia perversa, L. Several specimens at Carr End, and a few on Scar 

 Top, near Bainbridge. 



Clausilia rugo&a, Drap. Not uncommon on Scar Top, about Stalling- 

 busk, near Semerdale House, and one at Knight Close Force, near 

 Marsett. • 



Clausilia rugosa var. duhia, Drap. Two specimens near the bridge 

 over the Bain, at Bainbridge, one on Scar Top and one near 

 Stallingbusk. Not common. 



Cochlicopa lubrica, Miill. Common about Bainbridge, High Blean, 

 Stallingbusk, Marsett, near Bardale Force, near Semerdale House, 

 and at the foot of Semerwater Lake. 



The results of my investigation of the moUusca of other parts of 

 Wensleydale will be given in a supplementary paper, to appear in an 

 early number of the Naturalist. 



Leeds, Oct. 19th, 1882. 



