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A History of the County of Somerset
… than 112 have been found in the county, and possibly one or two more may yet be added, such for instance as Vitrea … nitida (Mll.) fulva (Mll.) Arion ater (Linn.) elongatus, Coll. Wainsgrove hortensis, Fr. circumscriptus, John. … Old Red Sandstone, Mountain Limestone, Coal Measures, New Red Sandstone (Trias), Lias, Oolite, Greensand and Chalk, …