THE BRITISH NATURALIST. 



239 



Pleasley Vale. Musson. East Drayton ; in rejectamenta at Carlton- 

 on-Trent, and at Scarthing Moor, and below the village of Weston. 



Vertigo [A laea) pygmaea, Drap. — Hjghfield House. Lowe. Wolla- 

 ton ; Pleasley ; Bingham Moor, turned up by moles ; Grives Wood ; 

 Widmerpool. Musson. Rejectamenta at Carlton-on-Trent, of sti earns 

 at Darlton, at Scarthing Moor, and below the village of Weston. 



Var. quadridentata, Stud. — Rockley ; Dunham. 



Vertigo (A laea) moulinsiana, Drap. — One example at Darlton, dead ; 

 rejectamenta at Carlton-on-Trent. 



Vertigo (Alaea) substriata, Jeff. — Highfield House. Lowe. Haggon 

 Fields, Worksop ; Bingham Moor. Musson. In the rejectamenta of 

 a steam at Weston, more especially at Scarthing Moor. 



Sub-Section Vertilla, Moq. 



Vertigo [Vertilla) pusilla, Mull. — Rare. Highfield House. Lowe* 

 Rejectamenta at Bingham Moor. Musson. 



Vertigo [Vertilla) angustior, Jeff. — Rare. Bingham Moor; Creswell. 

 Musson. Rejectamenta at Carlton-on-Trent, and at Scarthing Moor. 



Genus Balea, Prid. 

 Section Baleastra, Gray. 



Balea [Baleastra) perversa, L. — Very local. Highfield House. Lowe. 

 Annesley; Staunton. Musson. Colwick. Dodd. Plentiful on willows 

 at Darlton. 



Genus Clausilia, Drap. 

 Section Marpessa, Gray. 



Clausilia [Marpessa) laminata, Mont. — Local and rare. Pleasley. 

 Musson. As this species has been found at Creswell, just beyond the 

 stream which bounds the county at that place, it is probable it will 

 turn up in the neighbouring part of Nottinghamshire. 



Section Pirostoma, Vest. 

 Sub-Section Kusmicia, Brus. 



Clausilia [Kusmicia) perversa, Pult. =Claustiia rugosa, Drap. — Very 

 common, and generally distributed. 



Var. albina, Moq. — Debdale, near Mansfield. Musson. 



Var. graeilior, Jeff. — Debdale. Dodd. 



Var. tumidula, Jeff. — Debdale. Dodd. 



Family SUCCINEIDEA. 

 Genus Succinea, Drap. 

 Section Tapada, Studer. 



Succinea [Tapada) putris, L. — Common in suitable situations. 



