PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY. 



55 



Genus C^CILIOIDES Blainville. 

 Cfficilioides acicula (A/nlI.). 



Genus STENOGYRA Slmttl. 

 [Stenogyra goodalli (il/w//. ).]. 



Family SUCCINEID.-E. 

 Genus SUCCINEA Drap. 



Succinea putris (Z.)- 



V. subglobosa ^e^. 



V. stagnalis Gassies. 



V. solidnla Jeff. 



V. vitrea Aloq. 



V, albida Morch. 

 Succinea elegans Risso. 



V. longiscata Morel. 



V. pfeifferi Rossm. 



V. minor Jeff. 



V. virescens Moi'el. 



V. ochracea Betta. 



V. albida Taylor. 



m. sinistrorsum Baud. 

 Succinea oblonga Drap. 



SUB-OR. PULMONOBRANCHIATA. 

 Family AURICULID/E. 

 Genus CARYCHIUM Mull. 

 Carychium minimum Ahcll. 

 V. tridentata {Risso). 



Family LIMN^ID.E:. 

 Sub-family PLANORBIN^^. 

 Genus SEGMENTINA Fleming. 

 Segmentina nitida {AIulL). 



(=Planorbis lineatus Walker). 

 V. albina ( Taylor^ 

 Genus PLANORBIS Gaettard. 

 Hippeutia Hartmann. 

 Planorbis fontanus {Lightfoot). 



( = Planorbis nitidus Jeffreys). 

 V. albida Nelson. 



Gyraulus Agassiz. 

 Planorbis nautileus (Z.). 

 V. crista [L.). 

 V. laevigata Adami. 

 Planorbis dilatatus Gould. 



Planorbis albus (Z.). 



V. draparnaldi (^Shepp.'). 



Planorbis parvus Say 



( = P. glaber Je/.). 

 V. compressa Lloyd. 



Gyrorbis Agassiz. 

 Planorbis spirorbis Mull. 

 V. ecarinata Jeff. 

 V. albida Nelson. 

 m. scalariforme N. & T. 



Planorbis vortex (Z.). 



V. compressa Mich, 

 Planorbis carinatus Mull. 

 ' V. disciformis yij^. 



V. albida Htcdson. 



Planorbis umbilicatus I\/ull. 



( = P. complanatus Je^Vej/.st). 

 V. rhombea (7>^;-/.). 

 V. albina y^ 

 m. sinistrorsum Taylor. 



Coretus Adanson. 

 Planorbis corneus (Z.). 

 V. albina A/oij. 



Bathyompkalus Agassiz. 

 Planorbis contortus (Z.). 

 V. minor Taylor. 

 V. albida yi?^. 



Sub-family PHYSIN.E. 

 Genus BULLINUS Adanson. 

 Bullinus hypnorum (Z.). 

 V. major [Aloq.). 

 V. rubra Tryon. 

 m. decollatum {Nelson). 



Genus PHYSA Drap. 

 Physa fontinalis (Z.). 

 V. inflata Moq. 

 V. cu'cis.Jeff. 

 V. oblonga yi?^ 

 V. albina y?^. 



Sub-family LIMN.EIN.E. 

 Genus AMPHIPEPLEA iVi7sso?(. 

 Amphipeplea glutinosa {Mull.). 

 V. mucronata {Jeff.). 



Genus LIMN^A Brugiciere. 

 Radix Montfort. 

 Limnrea involuta Harvey. 



Limnsea peregra {Mull.). 

 V. burnetti Alder. 

 V. obtusa Kob. 

 V. lacustris {Leach). 

 V. inflata Kob. 

 V. patula {Da Costa). 

 V. ovata Drap. 

 V. stagnaliformis Taylor, 

 V. acuminata y^. 

 V. intermedia Fer. 

 V. oblonga y^ 

 V. boissyi Dupuy. 

 V. vulgaris C. Pfr. 

 V. pulchella Roff. 

 V. succineieformisye^ 

 V. maritimay?^. 

 V. microstoma Kob. 

 V. lutea {Mont.). 



