Mollusques terrestres et d'eau douce. 29 



Zonites crijstalUmis Moci.-Tnndon Moll. Fr II (1855) p. 89. t. 9. f. 2G— 29. Jeffi-evs 



Brit. Condi. I (1802) p. 170. 

 Hyolinia crystallina Mörcli Syn. Moll. Dnn. (18G4) p. 14. 

 Hyalina crystallina Westcrhuid Coll. Tvp. Moll. Su. (18G8) X:o 2S. 



— complaiiiita Jeffr.: testa coniplnnata; antV. ultiinus ptnuithno aiuito 

 lat i or. 



Hah. In Suecia per provincias méridionales et medias (Skåne, 

 Halland, Blekinge, Småland, Gotland, WestergÖtland, Öster- 

 götland et Nerike) liœc species late destributa; in ins. Öland non parce 

 ad Borgholm et T veta; circa Stockholm ad Kungshamn ins. Sicklaöii et 

 iu Stora Ängsviken ins. Wernulön (Hartman); prov. Westnianland ad 

 Klacken par Norberg rarior (C. H. Johanson!). In Norvegia circa Ber- 

 g-en raro inveiiit Friele. 



ZONITES 'SUBTERllANEA Bourg. 



Testa nnibilicata, depressa, hyalina, albida, nitida, ad sutiiram stria- 

 tiila; anfr. convexi, sidnra profunda separati, ultimo paullulum majore, ro- 

 tundato, infra non compresse; apertiira limari-rotundata; peristoma acutum, 

 intus albo-incrassato. Diam. 3 , alt. 1 1 mm. 



Zonites subterraneus Boiirgniü;niit in Kev. et Mag. Zool. 185G; Aménités inalac. I. p. 



194. t. 10. f. 13—18. 

 flelix subterranea PlViflVr Monogr. Helic. IV (1859) p. 53. 



Hall. In Suecia, prov. Skåne: ad Klinta propc Ringsjön (C. A. 

 W.); prov. Blekinge: ad Ronneby (C. A. W.); prov. WestergÖtland: 

 ad Klefva in monte Mösseberg (J. Hulting!). 



Subgen. Zonitoides Lehmann. Testa umbilicata, globoso-depressa, 



iiitidissinia; cmfr. 5, convexi; apertura lunato-rotundata. 



Animal sagitta amatoria, ejus bursa et folliculis mucosis 

 prœditura. 



8. ZONITES NITIDA (Mull.). 



Testa aperte umbilicata, globoso-depressa, tenuiter striata, brunnea, 

 concolor, nitida; anfr. 5, convexi, nltimus teres, circa umbilicum excavatus; 

 peristoma tenue, acutum, margini basali arcuato. Animal nigrum. Testa 

 animale fœta nigra, nitidissima. Diam. G, alt. 3 mm. 



