36 JOURNAL OF CONCHOI.OGY, VOL. 12, NO. 2, APRIL, I907. 



Burton-in-Kendal; Arnside; Grange- over- Sands (R.S.) ; Kirkby 

 Lonsdale ; Higher Newton ; and the district to the north of Grange, 

 var. albida Picard. — Torrishohne near Morecambe (H. Beeston), 

 1905. 



A. laevis Miiller. — Frequent along the canal margins near Lan- 

 caster ; noted also for Gallows Clough near Abbeystead, Lower 

 Wyresdale. 



Vitrina pellucida Miiller. — Well distributed throughout the 

 district. Quernmore; Lancaster; Caton (R.S.), 1887 ; the Yealands; 

 Silverdale ; Grange-over-Sands (R.S.), 1897 ; Holker (C. H. Moore), 

 1903; Higher Newton; Kirkby Lonsdale, etc. The best specimens, 

 though not as a 'rule very large, may be taken during the winter 

 months. 



Vitrea crystallina Miiller. — Apparently well distributed. Lan- 

 caster (David Dyson), 1850; Wyresdale; Warton, to the west of 

 Warton Crag ; Burton-in-Kendal; Silverdale (J.W.J. ), 1904; Grange- 

 over-Sands (R.S.), 1897. 



Vitrea lucida Draparnaud. — Grange-over-Sands (J. AVilfrid Jack- 

 son), 1903. If reference is made to Mr. Jackson's recent note it will 

 be seen that there is some doubt as to whether this species is indi- 

 genous or not {/. of Conch., vol. 11, p. 361). 



V. cellaria Miiller. — Abundant throughout the district, Wyres- 

 dale ; Lancaster ; Caton; Warton ; the Yealands ; Kirkby Lonsdale ; 

 Grange-over-Sands (R.S.), 1887 ; etc. 



var. albina Moquin-Tandon. — Kirkby Lonsdale, near the Devil's 

 Bridge. 



V. rogersi B. B. Woodward. — Woodwell, Silverdale (R.S.), 1905. 

 V. alliaria Miller. — Abundant throughout the district. Wyres- 

 dale ; Lancaster; Warton; Burton-in-Kendal; Silverdale; Grange- 

 over-Sands. 



var. viridula Jeffreys. — Grange-over-Sands, and Woodwell, 

 Silverdale (R.S.). 



V. nitidula Draparnaud. — Abundant throughout the district, 

 Wyresdale; Lancaster (David Dyson), 1850; Caton (R.S.), 1887; 

 Warton; the Yealands; Grange-over-Sands (R.S.), 1897; Higher 

 Newton ; Holker (C. H. Moore) ; Kirkby Lonsdale ; etc. 



var. nitens Michaud. — Woodwell, Silverdale (R.S,), 1905. 

 var, helmi Alder. — Woodwell, Silverdale (R.S.), 1905. 

 V. pura Alder, — Occurs sparingly and is apparently local. Wood- 

 well, Silverdale (R.S.), 1905 ; Grange-over-Sands (R.S.), 1897. 



var, nitidosa Gray,— This is the more frequent form. Silver- 

 dale ; Grange ; Lancaster, in the vicinity of the canal ; Caton. 



