1893J THE BRITISH NATURALIST. 233 



THE MOLLUSCA OF NOTTINGHAMSHIRE. 



BY W. A. GAIN. 



(Continued from page 226.) 



Family VITRINID^E. 

 Genus Vitrina, Drap. 



Vitrina pelluciday Miill. — Common in suitable localities. 



Family ZONITIDiE. 

 Genus Hyalinia, Agass. 

 Section Vitrea, Fitzinger. 



Vitrea crystallina, Miill.- — Common and widely distributed. 

 Section Polita, Held. 



Polita alliaria, Miller. — Generally common under stones and among 

 fallen leaves. 



Polita glabra, Stud. — Pleasley Vale, very plentiful under stones ; 

 Creswell Cra'ggs ; Markland Gripps ; Worksop. Musson. 



Polita nitidula, Drap. — Plentiful and generally distributed. 



Var. helmii, Aid. — Kingshaugh, near Tuxford. 



Var. nitens % Mich. — Arnold, Dodd. 



Polita pur a, Aid. — Common and generally distributed. 



Var. margaritaeea, Jeff. — More common than the type. 



Polita hammonis, Strom. (=radiatula, Aid.) — Bevercotes ; Rufford ; 

 Ossington ; Wollaton ; Pleasley Vale ; Stanton-on-the- Wolds ; Tol- 

 lerton , &c. M usson . 



Polita excavata, Benn.— Lowe records one specimen from the 

 neighbourhood of Sawley. 



Polita cellar ia, Miill. — Common and generally distributed. 



Var. albinos, Moq. — Tuxford ; Creswell. 

 Section Zonitoides, Lehm. 



Zonitoides nitida, Miill. — Widely distributed, banks of rivers and 

 streams, and damp places generally. 

 Section Conulus, Fitzinger. 



Conulus fulvus, Miill. —Widely distributed in woods, &c. 



Family HELICIDA. 



Genus Patula, Held. 

 Section Pyramidula, Fitz. 



H. (Pyramidula). rupestris, Drap. — Rare. Lowe. Not uncommon, 

 Dodd, article " Mollusca " in " Geology and Natural History of 

 Nottinghamshire." I have not seen an example found in this county. 



