A Manual of the Land and Fresh-water Shells of the British Islands

Achatina Alder animal aperture bands Brard Brit British brown Brug Bulimus Carychium minimum Clausilia cloth lettered colour Conch conchologists conical convex Cyclas Cyclostoma Dict Drap Draparnaud edge Edition elongate epiphragm Fauna Férus Férussac foot genus Helix Hist horn-colour hortensis Icon inch in diameter Inhab Jeffreys Jenyns Journ Land and Fresh-water Leach Limax Limnæus Linn longitudinal mantle margin Moll Mollusca Mont Montagu Müller nearly Nilson oblique oblong observes operculum outer lip oval pale Paludina periostraca peristome Pfeiffer Phil Physa Physa fontinalis pillar Pisidium Pisidium amnicum plaits Planorbis Planorbis carinatus Pupa Rossm rounded Shell ovate slightly Snail Sowerby species specimens spiral spire composed striæ striated Sturm Succinea Succinea putris teeth tentacles Testacella thickened thin Trans transparent Turbo Turton umbilicus Unio Valvata Valvata cristata variety ventricose Verm Vertigo Vertigo alpestris Vitrina Vitrina pellucida vols volutions whorls yellowish young shells Zonites Zool