LAND AND FRESHWATER MOLLUSC A OF SUSSEX. 353 



Vertigo antivertigo, Draparnaud. — Apparently a rare species. 

 It may be suspected that the members of the genus Vertigo are 

 frequently overlooked, and in all probability more than two 

 species occur in Sussex. Lewes Levels (W. C. Unwin) ; East- 

 bourne (Eastbourne Nat. Hist. Soc.) ; Pevensey (A. J. Alletsee) ; 

 Pevensey Level (A. W. Stelfox, J. C, xiii. 342) ; under stones in 

 the level near Newtimber (W. Borrer) ; Aldsworth, near West- 

 bourne (Kev. W. A. Shaw). 



V. pygmcea, Draparnaud. — Widely distributed. 



Balea perversa, Linne\ — Generally distributed. 



Clausilia laminata, Montagu. — Generally distributed, and, 

 like the preceding, very abundant in beech woods. 



Var. pellucida, Jeffreys. — Sparingly at Lewes with the type 

 (Jenner) ; Charlton Forest, uncommon (E. W. S.). 



Var. albina, Westerlund. — Not uncommon in the beech 

 woods on the north side of Heyshott Down (E. W. S.) ; Coombe 

 plantation, Lewes (J. H. A. Jenner) ; about Chichester (W. 

 Jeffery). 



Var. tumidula, Jenner. — Lewes district (Jenner) ; Charlton 

 Forest (Douglas Taylor). 



C. bidentata, Strom (= C. rugosa, Drap.). — Generally 

 distributed. 



Var. albina, Moquin-Tandon. — Eastbourne (A. G. Stubbs). 



Var. parvula, Turton. — Lewes, frequent (W. C. Unwin). 



Var. glacilior, Jeffreys. — Landport, near Lewes (J. H. A. 

 Jenner) ; Battle and between Bobertsbridge and Hurst Green 

 (T. D. A. Cockerell). 



C. rolphii, Leach (in Turton). — Widely distributed. 



Var. curta, Jenner. — Bingmer, near Lewes (J. H. A. Jenner) ; 

 Coghurst Wood (Baph Tate). 



Monst. decollata, Jenner. — Lewes, with the type (J. H. A. 



Jenner) . 



(To be continued.) 



Zoot. 4th ser. vol. XIX., September, 1915. 2 E 



