North Sea, 17, 38-49, 67, 68, 80, 106, 110, 121 Norway, 49 Oak, 1, 8, 16, 19, 32, 34, 54-57, 62, 71, 94-96, 101, 102, 106, 107, 119, 120 —— cut by man, 97 _Osmunda_, 1, 52 Ouse, 6 Owen, Sir R., 13, 15, 18, 113, 123 Oysters on submerged trees, 94, 95 Palaeolithic, 15, 21, 22, 113 Pegwell Bay, 65 Pentuan, 92-97, 99, 100, 122 Penzance, 101 Pepys, S., 19 Pevensey Level, 71 _Pholas_, erosion caused by, 43, 121 Piles below a submerged forest, 97, 100 Pine, 32, 34, 35, 79 Plane of marine denudation, 22 Plym, 82 Plymouth Sound, 83-88, 90, 98 Polished stone implements, 54, 113 Pollen-grains in submerged peat, 45 Poole Harbour, 79 Portsmouth Harbour, 76, 77 Potter, C., 123 Potter Heigham, 26 Prestwich, Sir J., 26, 123 Prevost, Dr E. W., 123 Raised beaches, 38, 50 Rashleigh, P., 123 Reade, T. M., 50, 51, 123 Reindeer, 44, 79 Rhine, 18, 40, 67, 110 Ribble, 51 River-drift man, 15 —— ice, 89 Roadway, submerged, 28, 100 Rogers, I., 61, 62, 124 Roman period, 3, 16, 61, 63, 65, 75, 101, 111, 115 Romney Marsh, 70, 71 Rostock, 49 _Ruppia_, 46 St Austell River, 92-98 St Michael’s Mount, 100, 101 Saltash, 88 Sand-dunes, 3-5, 26, 27, 47, 114 Sangatte, 68 Scandinavia, 49, 106 Scilly, 100, 106 Scotland, 38, 49, 50, 106 _Scrobicularia_-clay, 7, 19, 53, 96 Sea-level, changes of, 3, 4, 8, 17-20, 22, 26, 38, 47, 48, 51, 57, 68, 73, 75, 106, 114 Selsey, 74, 117 Severn Tunnel, 59 Sheep, 63 Shell-marl, 8 Sherringham, 22 Shingle-beach, protection afforded by, 3-5 —— spits, growth of, 26, 114 Shore, T. W., 79, 124 Silting-up, rate of, 25, 26 Skertchly, S. B. J., 31, 122, 124 Solent, 74-76 Somerset, 60, 61 Southampton Water, 74, 76, 79 South Downs, 72 Southwold, 22 Spithead, 74-77 Spurrell, F. C. J., 13, 15-18, 124 Stather, J. W., 124 Stonehenge, 116 Storrie, J., 53, 54 Strahan, Dr A., 52-57, 124 Strait of Dover, 65-70 Stream-tin works, 80, 81, 90-102, 123, 124 Submarine erosion, 69, 84-86, 121 Submerged forest, definition of, 11 Submergence, extent of the, 8, 17, 20, 22, 26, 38, 47-49, 51, 56, 57, 68, 73, 75, 88, 93, 94, 106 Sussex, 65, 68, 71-74 Sweden, 49 Tamar, 82, 84, 85 Tavy, 82, 88 Thames, 11-19, 20, 21, 29, 38, 40, 51, 52, 84, 88, 122, 124 Thaws and floods, 89 Tidal scour, 69, 85, 86 —— wave deadened by obstructions, 4, 5, 28, 29 Tides of the Bristol Channel, 56 Tilbury, 13-19 Time, 114-121 Tin stream-works, 80, 81, 90-102, 123, 124 Trees growing below high-water level, 4, 5, 8 —— rooted into rock, 4 —— succession of, 8, 32 Tyler, A., 124 Vegetable remains, decay of, 4 Vine, 105 Virgin, Wheal, 97 Walrus, 44 Wash, 29, 30 Waves, effect of, 85, 86 Wealden axis, 72 Weeds, introduction of, 112 Welsch, Prof. J., 104 Westward Ho, 61-64