Zusätze und Bericlitigungen. 



263 



42. Bulimus radiatus, Brug. 



43. Achatina lubrica, Brug. 



44. Cyclostoma elegaus, Drp. 



45. Succinea amphibia, Drp. 



46. — pfeifferi, Rossni. 



47. — oblonga, Drp. 



48. Amphipeplea glutinosa, Müll 



49. Limnaeus stagnalis, Müll. 



50. — speciosiis, Ziegl. 



51. Limnaeus palustris, Müll. 



52. — palustris, var. distortus, 



Rossm. 

 .53. — vulgaris, C. Pfr. 



54. — pereger, Drp. 



55. — auricularius, Drp. 



56. -- ovatus, Drp. . 



57. — minutus, Drp. 



58. — elongatus, Drp. 



59. Planorbis marginatus, Müll. 



60. — carinatus, Müll. 



61. — vortex, Müll. 



62. — leucostoma, Mich. 



63. — spirorbis, Müll. 



64. — septemgyratus, Zgl. 



65. Paludina impura, Lam. 



66. — vivipara, L. . 



66*. Paludina achatina, Brug. 



Buliminus (Zebrina) detritus, Müll. 



Der MüUer'sche Name hat weitaus die 

 Priorität. Die Figur reclits ist var. radiata, 

 Brug. 



Zua (Cochlicopa) lubrica, Müll. 

 Ericia elegans, Müll. 

 Succinea putris, L. 



— pfeifferi, Rossm. 



— (Lucena) oblonga, Drp. 

 Amphipeplea glutinosa, Müll. 

 Limnaea (Limnus) stagnalis, L. 

 — ■ (Limnus) speciosa. Zgl. 



Amerikanische Art. 

 ■Limnaea (Limnophysa) palustris, var. 

 corvus, Gmel. 



Amerikanische Art. 



— (Gulnaria) lagotis. Schrank. 



— — peregra, Müll. 



— — ampla, Hartm. 



— — ovata, Drp. 



— (Fossarina) truncatula, Müll. 



— (Leptolimnaea) glabra, Müll. 

 Planorbis umbilicatus, Müll. 



— dazuri, Moerch. 



Bithynia tentaculata, Müller. 

 Paludina contecta, Mill. 



— fasciata, Müller. 



Tafel 3. 



67. Anodonta cygnea, L. 



68. — complanata, Zgl. . . Pseudanodonta complanata. Zgl. 



69. Tichogonia chemnitzii, Rossm. Dreissensia polymorpha, Pall. 



70. Unio tumidus, Retz. 



71. — pictorum, L. 



Tafel 4. 



72 — 74. Unio margaritifer, Retz. Margaritana margaritifera, Retz. 



