Search for: [Subject and Keywords = Apodemus sylvaticus] OR [Subject and Keywords = Clethrionomys glareolus] OR [Subject and Keywords = Corylus avellana] OR [Title = Notes on the opening of hazel nuts \(Corylus avellana\) by mice and voles] OR [Title = Notes on british mammals \- No. 12] OR [Creator = East, K.]