Dudley, Staffordshire, [262], [533].
------ limestone, [33], [261], [272].
Dujardin, M., on foraminifera, [339].
Dumarest, M., on fossil Crustacea, [510].
Dumbleton, [560].
Dumfries, [730], [750], [753].
Dunmore Cliff, Isle of Wight, [398].
Dun-stone of Matlock, [878].