A Plain and Easy Account of the Land and Freshwater Mollusks of Great Britain |
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A Plain and Easy Account of the Land and Fresh-Water Mollusks of Great ... Ralph Tate No preview available - 2015 |
Common terms and phrases
abundant Ancylus animal aperture Arion aspersa bands bivalves body Britain British species brown Bulimus central tooth Clausilia cloth Coil Shell colour columella convex Copford Cyclas cylindrical damp decaying dental formula deposits diameter distinguished distributed ditches eggs elongated England Eocene epidermis epiphragm Fcap foot fossilized frequently fresh-water gardens genus globular glossy grass Helicella Helicidae Helix horny Illustrated inch inhabits Ireland J. G. Jeffreys keel lakes Lankester last whorl length Limax lingual ribbon living mantle margin minute mollusk moss mouth mussel narrow nearly nemoralis North number of teeth oblique oblong occurs operculum outer lip oval ovoviviparous peristome places PLANORBIS Plate ponds Pupa rare resembles rivers rocks S. P. Woodward shell side slightly slugs snail specimens spiral spire stones striƦ striated surface suture tentacles Testacella thick thin transparent transverse rows trees umbilicus upper variety VERTIGO Vincent Brooks Vitrina woods wrinkled