SIKES : PRELIMINARY SURVEY OF MONMOUTHSHIRE. 63 



tHelicella caperata. — Common, 

 var. fulva. — Caldicot Level, 

 var. subscalaris. — Caldicot Level. 

 Hygromia rufescens. — Piercefield Woods, Chepstow ; Symonds 

 Yat ; Penpergwm, Abergavenny ; Abergavenny. 

 Hygromia hispida. — Common, 

 var. concinna. — Common. 

 *Hygromia fusca. — Piercefield Woods, Chepstow ; Clydach 

 Valley, Brecon. 



Vallonia pulchella. — Caldicot Level ; Piercefield Woods, 

 Chepstow. 



Ena obscura. — Common. 

 *Pupa cylindracea. — Common. 



*Clausilia laminata. — Piercefield Woods, Chepstow; Penpergwm, 

 Abergavenny. 



var. alba. — Piercefield Woods, Chepstow. 

 Clausilia bidentata. — Common. 



var. everetti. — Monmouth. 

 Cochlicopa lubrica. — WyndCHfif, Chepstow; Piercefield Woods, 

 Chepstow. 



Succinea putris. — Chepstow; Caldicot Level; Monmouth; 

 Symonds Yat. 



var. alba. — Caldicot Level. 

 Succinea elegans. — Troy, Monmouth. 

 *Carychium minimum. — Common. 



Pomatias elegans. — Common (dead shells). 

 *Limnaea palustris.^ — Penpergwm, Abergavenny. 

 Limnsea truncatula.— Common. 



var. elegans. — Boughrood, Brecon. 

 Limnsea pereger. — Common, 

 var. inflata. — Troy, Monmouth, 

 var. acuminata. — Abergavenny, 

 var. boissyi.— Caldicot Level, 

 var. ovata. — Abergavenny ; Caldicot Level. 

 *Limnaea auricularia. — Canal (Mon. & Brec). 

 *Physa fontinalis. — Troy, Monmouth. 

 *Aplecta hypnorum. — Caldicot Level. 

 Planorbis albus.— Monmouth. 

 *Planorbis crista var. laevigata. — Caldicot Level. 

 *Planorbis umbilicatus. — Canal; Caldicot Level. 

 *Planorbis spirorbis. — Caldicot Level ; Penpergwm, Aber- 

 gavenny; Canal. 



