14 Binnie : Land and Freshwater Molhisca near Tadcaster. 



Physa hypnorum. Wig-hill ; [Shireoaks Wood, Tadcaster ; 



Catterton, Healaugh, Bilbrough, etc., in Ainsty]. 

 Limnsea peregra. Tadcaster ; Wig-hill ; Wetherby. 



Var. ovata. Tadcaster. 

 Limnsea palustris. Beck in Smaw's Ings, Tadcaster. 



Limnsea truncatula. Ponds, etc., in Ainsty, near Tadcaster; 



Wighill ; pond near Wetherby. 

 Limnsea glabra. Several ponds and ditches in the Ainsty, 



near Tadcaster ; Wighill. 



[Ancylus lacustris. Pond a mile and a half to the N.E. of 



Tadcaster ; it is not unfrequent in ponds in the Ainsty.] 

 Arion ater. Boston Spa ; Tadcaster. 

 Arion hortensis. Boston Spa; Tadcaster; W T ighill. 



Limax agrestis. Knaresborough ; Thorp Arch ; Boston Spa ; 

 Newton Kyme ; Wighill ; Tadcaster. 



Limax lsevis (brunneus). Wet places, Tadcaster and Wig- 

 hill [and other localities in Ainsty]. 



Limax arborum. Boston Spa. [Shireoaks Wood, near Tad- 

 caster]. 



Limax maximus. Boston Spa ; Tadcaster. 

 Succinea putris. Tadcaster. 



Vitrina pellucida. Boston Spa; Thorp Arch; Newton Kyme; 

 Tadcaster. 



Zonites cellarius. Knaresborough; Thorp Arch; Boston Spa; 

 Tadcaster. 



Zonites glaber. Boston Spa ; Newton Kyme ; Tadcaster, both 

 on and off limestone tract. 



Zonites alliarius. Knaresborough; Boston Spa; Thorp Arch; 

 Tadcaster. 



Zonites nitidulus. Knaresborough; Boston Spa; Thorp Arch; 

 west of Walton ; Tadcaster. 



Zonites purus. Boston Spa; Tadcaster; Oxton. 



Var. margaritacea. Boston Spa. 



Zonites crystallinus. Boston Spa ; Tadcaster. 



Helix aspersa. Knaresborough; Wetherby; Boston Spa; 

 Newton Kyme; Tadcaster. 



Helix nemoralis (type). Wetherby,* Boston Spa; Thorp Arch ; 

 Tadcaster. 



Naturalist, 



