Binnie : Land mid Freshwater Mollusca near Tadcaster. 15 



Helix hortensis. Knaresborough; between Wetherby and 

 Colling-ham ; Boston Spa; Tadcaster. 



Var. hybrida. Boston Spa. 



Helix arbustorum. Boston Spa; one empty shell in limestone 

 quarry near Tadcaster. 



Helix cantiana. Between Wetherby and Colling-ham; Boston 

 Spa; Tadcaster; Sherburn. 



Helix rufescens. Knaresborough; Boston Spa; Tadcaster. 



Var. albida. In limestone quarry near Tadcaster. 



Helix hispida. Knaresboroug-h ; Boston Spa ; Thorp Arch ; 

 Wighill; Tadcaster. 



Helix concinrta. Knaresboroug-h; Boston Spa; Wighill; 

 Tadcaster. 



Helix fusca. Boston Spa. 



Helix fulva. Boston Spa; Tadcaster. 



Helix aculeata. Boston Spa; Tadcaster. 



Helix virgata. Tadcaster, on limestone tract; Sherburn, off 

 the limestone, but along a road macamadised with that 

 stone, plentiful. 



Helix caperata. Knaresboroug-h; Wetherby; Boston Spa; 

 Tadcaster. 



Var. subscalaris. Grimbald Crag-, Knaresborough. 



Var. ornata. Tadcaster, on limestone tract. 



Helix ericetorum. Knaresborough ; an empty shell at Boston 

 Spa ; Newton Kyme ; Tadcaster. 



Var. alba. Tadcaster, along- with type. 



Helix rotundata. Knaresborough ; Wetherby ; Boston Spa ; 

 Tadcaster. 



[Var. alba. Shireoaks Wood, Tadcaster.] 

 Helix pygmasa. Boston Spa ; Tadcaster. 



Helix pulchella. Knaresborough; Wetherby; Spofforth ; 

 Newton Kyme ; Bramham ; Tadcaster. 



Var. costata. Wetherby; Spofforth; Tadcaster. 



Helix lapicida. Grimbald Crag, Knaresborough ; Boston Spa 

 (one empty shell). 



Bulimus obscurus. Knaresborough ; Thorp Arch ; Boston 

 Spa ; Tadcaster (on limestone tract). 



1900 January 



