98 SOPPITT AND CARTER: UPPER AIREDALE MOLLUSCA. 



Succinea elegans Risso. Probably often confounded with the 



last. One or two examples only of this species have been 



verified. Canal-side, Saltaire and Apperley. 

 Vitrina pellucida Miill. Common and generally distributed in 



suitable localities throughout the district. From Malham to 



Calverley. 



Zonites cellarius Miill. Common in damp situations, often 



found in cellars in Bradford. Frizinghall, Saltaire, Bingley, 



Calverley, Malham. 

 Var. albinos Moq. Saltaire ; Heaton ; Seven Arches, near 



Bingley ; Thackley. 

 Zonites alliarius Miller. Common and generally distributed 



throughout the district. 

 Zonites glaber Stud. Locally common. Saltaire; Seven Arches^ 



near Bingley ; Cottingley ; Thackley. 

 Zonites nitidulus Drap. Common throughout the district. 



Var. nitens Mich. Shipley Glen, Nab Wood. 

 Zonites purus Alder. Local and somewhat rare. Near Skipton, 



1881; Gordale, 1883; Buck Wood, Thackley, 1887. 

 Var. margaritacea Jeff. Commoner than the type. Harden 



near Bingley, 1875 (W. Nelson); Buck Wood, Thackley, 1886 ; 



Nab Wood, Saltaire, 1886 ; Calverley Wood, 1887. 

 Zonites radiatulus Alder. Very local. Shipley Glen, 1883, 



still occurs in the same locaHty ; CuUingworth, 1883. 

 Var. viridescenti-alba Jeff. Rare. Shipley Glen, 1 881 (W.Nelson). 

 Zonites nitidus Miill. Local. One example, canal-side, Saltaire, 



1886 ; one in Nab Wood, Saltaire, 1887. Extremely abundant 



amongst Glyceria rt;^?/«/^V<2, .canal-side, Thackley to Calverley 



(1887). 



Zonites excavatus Bean. Local, but in some places abundant. 



Saltaire, i886; Fagley Wood, common; Nab Wood; Shipley 



Glen; Calverley Woods, 1887. 

 Zonites crystallinus Miill. Generally distributed in suitable 



localities throughout the district. 

 Zonites fulvus Miill. Generally distributed, but chiefly found in 



woods. Saltaire, 1880; Heaton Wood, 1882; common in 



marshy ground at Shipley Glen, first found in 1882 (W. Nelson) ; 



Seven Arches, near Bingley, 1886-7 \ Beckfoot Lane, near 



Bingley; Fagley Wood ; Nab Wood, Saltaire ; Malham, 1887. 

 Helix lamellata Jeff. Rare and local. Shipley Glen, several 



examples, 1887. One, 1888. 



Naturalist, 



