Limnea Peregra 
,, Auricularia 
»  Stagnalis 
»  Palustris 
»  Truncatula 
*Ancylus Fluviatilis 
* ,,  Lacustris 
Arion Ater 
Hortensis 
Limax Marginatus 
» Flavus 
»  Agrestis 
; Maximus 
Succinea Putris 
Elegans 
Vitrina Pellucida 
Zonites Cellarius 
»,  Alliarius 
»  Nitidulus 
ae ae mad 
Fulvus 
mix Aculeata 
»,  Pomatia 
»  Aspersa 
»  Nemoralis 
55 var. 
MS Hortensis 
»  Arbustorum 
” > 
»  Cantiana 
»  Rufescens 
»,  Concinna (?) 
»  Hispida 
»  Fusca (?) 
»,  Caperata 
»  Ericetorum 
»  Rotundata 
* , Pygmea 
“5 Palchella 
Lapicida 
Bulimus Obscurus 
Pupa Umbilicata 
*Vertigo Pygmea 
Clausilia Rolphii 
»  Rugosa 
Cochlicopa Lubrica 
ia Acicula 
chium Minimum 
clostoma Elegans 
var. Alpestris 
26 
Passim 
Amwell 
Passim 
Passim 
Payilion Field 
St. Margarets 
Hoddesdon Fields 
Passim 
Passim 
Gallows Hill 
Passim 
Passim 
Passim 
Passim 
St. Margarets 
Gallows Hill 
Passim 
Hoddesdon Fields 
Hoddesdon Fields 
Gallows Hill 
Passim 
Passim 
Passim 
Passim 
St. Margarets 
Banks of River Lea 
Passim 
Passim 
Gallows Hill 
Passim 
Gallows Hill 
Passim 
Gallows Hill 
Passim 
Hoddesdon Fields 
Passim 
Gallows Hill 
Passim 
Passim 
Rye House 
Gallows Hill 
Passim 
Passim 
St. Margarets 
Passim 
Gallows Hill 
