328 



PEOCEEDINGS OF THE MALA.COLOGICAL SOCIETY. 



LIST OF LAND MOLLUSCA 



Peom the Holooene Deposit at Reigate, with the 

 Relative Depths at which they occctk. 



Name of Species. 



Limax maximtis, Linn. 

 *Agriolimax agrestis (Linn.) 

 Vitrea cellaria (MiilL) 



nitidtila (Drap.) . 



ptcra (Aid.) . 



crystallina (MiilL) 



*Arion ater (Linn.) . 



sp 



*Pyramidula rotundata (Miill.) 



SeUcella Cantiana (Mont.) 



Itala (Linn.) 



eaperata (Mont.) . 



*Hygromia rufescens (Penn.) 

 * hispida (Linn.) 



Acanthinula aciileata (Miill.) 

 * Vallonia pulchella (Miill.) 

 Helicigona arhustorum (Linn.) 



lapicida (Linn.) 



Helix aspersa, Miill. 

 pomafia, Linn. 



oiemoralis, Linn. 



— — hortensis, Miill. 

 Buliiniiius montanus (Drap.) 



obscnrus (Miill.) 



CocMicopa luhrica (Miill.) 

 Azeca tridens (Pult.) 

 Ccecilianella acicula (Miill.) 

 Fupa muscoruin (Linn.) 

 Vertigo pygmcea (Drap.) . 

 Glausilia laminata (Mont.) 



bidentata (Strom.) 



biplicata (Mont.) . 



Eolphii, Gray 



Caryehiuin minimum, Miill. 



*Fomatias rejiexus (Linn.) . 



Total, 35 species. 



Depth of occurrence as far as 



* Abundant. 



Fragments of a banded Helix (probably S. nemoralis) were plentiful throughout, 

 with portions of the opercula of Pomatias rejiexus. Fragments of Helix pomatia 

 were fairly abundant in the upper 2^ feet. 



