33 



') V. Rein a eh. Geologisches aus der untern Maingegend. Bericht 

 dieser Ges. 1890. 



*) Hydrobia reinachi n. sp. Char. Äff. H. inflatae {Fanj.) sed t. minore, 

 minus late perforata, apice distincte acutiore, margine dextro aperturae minus 

 curvato. — T. late perforata, turbinata, tenuis, nitidula : spira exacte conica 

 lateribus non aut vix convexiusculis ; apex parvulus acutus. Anfr, fere 5 

 sat cimvexi, sat rapide accrescentes, sutura profunda disjunoti, subtiliter 

 striatuli, ultimus major, suhventriosus, ante aperturam leviter variciformi- 

 inflatulus et superne magis applanatus, peripheria fere rotundato-subangulatus. 

 basi obliquus, '/2 altitudinis testae aeij[uans. Apert. magna et ampla, distincte 



3 



