LAND AND FRESHWATER MOLLUSC A OF SUSSEX. 267 



Var. subfusca, Eoebuck. — Blackdown (E. W. S.). 



Panctum pygmceum, Drap. — Frequent on the Downs. Mr. 

 J. P. Johnson found it in the Pleistocene deposits at West 

 Wittering. Lewes Downs, under chalk stones (J. H. A. Jenner 

 and W. C. Unwin) ; Ashcombe plantation (Eastbourne Nat. Hist. 

 Soc.) ; among leaves at Hurstmonceaux (Hastings Phil. Soc.) ; 

 "Hastings (Diplock's Guide), not recently found" (J. H. A. 

 Jenner) ; Hassocks (P. F. Kensett) ; Cowfold, near Horsham 

 (W. Borrer) ; Harting (J. Weaver) ; Downs above Heyshott and 

 Cocking (E. W. S.) ; about Chanctonbury Eing and Cissbury 

 (E. W. S.). 



Sphyradium edentulum, Drap. — Locally abundant. Chailey 

 Common, Lewes, rare (W. C. Unwin) ; Downs, Lewes (J. H. A. 

 Jenner) ; Cow Gap, Eastbourne (Eastbourne Nat. Hist. Soc.) ; 

 Cowfold (Borrer) ; Bognor (H. L. F. Guermonprez) ; Harting 

 (J. Weaver). 



Pyramidula rupestris, Drap. — Widely distributed on old 

 walls. 



Var. umbilicata, Montagu. — Batton, near Willingdon (G. K. 

 Gude). 



P. rotundata, Miiller. — Generally distributed. Mr. J. P. 

 Johnson records it from the buried fluviatile deposit on the 

 foreshore at West Wittering ; and the Bev. W. A. Shaw has 

 found it in a Holocene bed at Kingley Vale, West Stoke. 



Var. alba, Moquin-Tandon. — Banscombe and Landport, near 

 Lewes (C. H. Morris) ; Wannock, near Eastbourne (Bev. S. S. 

 Pearce) ; between the links and Compton Boad, Eastbourne 

 (Jenner) ; West Stoke (Bev. W. A. Shaw). 



Monst, scalariforme. — Bingmer (T. S. Hillman). 



P. ruderata, Studer. — This species differs from the preceding 

 in the more produced spire, fewer whorls, and absence of reddish- 

 brown freckles. Unknown in Britain in the living state. Mr. 

 J. P. Johnson records it from the old river-bed at West Witter- 

 ing. It has also been found in Pleistocene deposits in Kent, 

 Essex, and Cambridge. 



Helicella virgata, Da Costa. — Widely distributed ; very abun- 

 dant on the Downs. It shows great variability in size and 

 markings. Specimens an inch in diameter were collected by 

 the Bev. S. S. Pearce in cultivated fields at Eastbourne ; large 



