Manual of the Land and Fresh-water Shells of the British Islands: With Figures of Each of the Kinds

Acicula Alder Ancylus Ancylus fluviatilis animal aperture apex Balea perversa bands Bithinia bivalves Brard Brit British brown Bulimus cavity Clausilia colour Conch conchologists conical convex Cyclas Cyclostoma Drap Dupuy edge elongate epiphragm Férussac flat Flem fluviatilis foot Forbes and Hanley France Fresh-water genus Gray Helix Hist horn-colour horny Icon inch Inhab jaws Jeffreys Jenyns Journ lacustris Leach Limax Limnæus Linn longitudinal mantle margin Moll Mollusca Mont Montagu mouth Müller Mytilus nearly Neritina Nilson oblique oblong operculum outer lip Paludina periostraca periostracum peristome Pfeiffer Physa Physa fontinalis pillar Pisidium Pisidium amnicum Planorbis Planorbis carinatus Pupa Rossm rounded side siphon slightly Snail species specimens spiral spire striæ striated Studer Sturm Succinea Tand tentacles Testacella thin tooth Trans transparent transverse tubercle Turbo Turton umbilicus umbones Unio valves ventricose Verm Vertigo Vitrina Vitrina pellucida volutions whorls yellowish young shells Zonites Zool