EditorialPlanorbis vortex, Print, Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
Editorial'Jo in a vortex'. A young woman writing at a desk. Little Women ... With illustrations. Boston : Roberts Bros., 1870. Source: 12844.m.8. Language: English.