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A History of the County of Somerset
… Vertigo substriata is a mistaken identification of Miller's record of Turbo sexdentatus which is Vertigo antivertigo, … Bath Canal; Keynsham; Harwood corneum (Linn.) ovale (Fr.). Kennet and Avon Canal; River Avon Sphrium lacustre (Mll.) … variety henslowiana is found in the Leigh Woods and in the Kennet and Avon Canal, Clevedon INSECTS With the exception of …