MOLLUSCA OF NORTHAMPTONSHIRE. 257 



Helix ericetorum Miill. — Newark, Eye, and Newborough, all 

 near Peterborough, T.W.B. ; Wooton stone-quarry, three, 

 W.D.C.; Milton quarry-field, six, W.D.C. ; Blisworth stone- 

 quarry, plentiful, W.D.C. ; Irchester, one, H.H.S. 



H. ericetorum var. minor Moq. — Milton quarry-field, with 

 the type, W.D.C. 



H. ericetorum var. alba Charp.— Green's Norton, H. Nelson; 

 Blisworth stone-quarry, with type, W.D.C. 



Helix rotundata Miill. — Eye, near Peterborough, T.W. B. ; 

 Irchester, several, H.H.S. ; wood-pit at Stivington, seven, 

 W.D.C. ; gardens of Holdenby House, eighteen, W.D.C. ; 

 brick-pit, Kingsthorpe Hollow, eight, W.D.C. ; Campion's 

 Spinney, on the Kettering Road, Northampton, three, 

 W.D.C. ; Castle Ashby, two, R.R. 



Helix rupestris Drap. — Milton near Peterborough, T.W.B. 



Helix pulchella Miill. — Eye and Newborough, T.W.B. ; wall 

 near Moulton Park, one, W.D.C. ; ant-hills, Blisworth 

 stone-quarry, seventeen, W.D.C. 



H. pulchella var. costata Miill. — Ant-hills, Blisworth stone 

 quarry, with the type, W.D.C. 



Helix lapicida L.— Castle Ashby, lime-tree, December, 1878, 

 one, R.R. 



Bulimus obscurus (Miill.). — Wood-pits at Stivington, six, 

 W.D.C; Shittelwell Pit, Gipsy Lane, Northampton, one, 

 W.D.C. ; Castle Ashby, under stones, four, R.R. 



Pupa umbilicata Drap. — Eye, T.W.B. ; Irchester vicarage- 

 garden, a few, H.H.S. 



Pupa marginata Drap. — Eye, T.W.B. ; Irchester vicarage- 

 garden, one, H.H.S. ; ant-hills at Blisworth stone-quarry, 

 ten, W.D.C; wood-pit, Stivington, four, W.D.C; near 

 Moulton Park, a quantity from a moss-covered wall, 

 W.D.C. ; Castle Ashby, one, R.R. 



Vertigo pygmeea (Drap.). — Castle Ashby, one, R.R. 



Vertigo edentula (Drap.). — Campion's Spinney, on the 

 Kettering Road, Northampton, one, W.D.C. ; Castle Ashby, 

 two, R.R. s 



