120 CATALOGUE 



Isthmia muscorum 

 Vertigo antivertigo 

 — pygmsea 

 c Carycbium minimum 



MOLLUSQUES VIVANTS 



Carychium tridentatum 

 Gyclostoma elegans 

 Pomatias septemspiralis 



b) Mollusques d'eau douce 



lis 

 Locardi 

 rapbidi 1 

 colpodia 

 turgida 

 helophila 

 Coutagnei 

 psilia 

 a ren a ri a 

 eii'usa 

 auiïcularia 

 aeronica 

 alpestris 

 albescens 

 marginata 

 limosa 

 limosina 

 conglobata 

 oppressa 

 obtusa 

 intermedia 

 biformis 

 vulgaris 

 lacustriua 

 rosea 

 tuccinea 

 peregra 

 palustris 

 corviformis 

 Renoufi 

 contorta 

 vulnerata 

 hsemastoma 

 fusca 

 limbata 

 turriculala 

 truncatula 

 pumila 



Physa fontinalis 

 — hypnorum 

 o Planorbis umbilicatus 



— submarginatus 



— carinatus 



— gallicus 



— intermedius 



— rotundatus 



— septemgyratus 



— contortus 



— crosseanus 

 Segmentina nitida 

 Ancylus simples 



— capuliformis 



— riparius 



— lacustris 

 oBytbinia tentaculata 



— Stramicensis 



— sebelhina 

 Valvata cristata 



Spbferium corneum 



— nucleatum 



— ovale 



— Ryckholti 

 Pisidium amnicum 



— elongatum • 

 o — Gasertanum 



— pulchellum 



— calyculatum 



— pusillum 

 o — nilidum 



— obtusale 



— Henslowianum 

 Unio lagnysicus 



— mancus 



— necomensis 



— fusculus 



— subamnicus 



