Helix vivipara [ spec. nov.]
H. testa imperforata subovata obtusa cornea: cingulis fuscatis, apertura suborbiculari.
Fn . svec. 1312.
List. angl. 133. t. 2. f. 18. - - exerc. 2. p. 17. t. 2.
conch. 2. t. 126. f. 26.
Gvalt. test. t. 5. f. 1.
Swamm. bibl. t. 9. f. 3.
Habitat in Europae stagnis, argillosis imprimis.