Mount, The, Caerleon, 50 Movable Tower, 198 Mowbray, de, 94 Narberth Castle, 133 Natural fortresses strengthened, 5-6 Neidpath Castle, 178 description of, 182 Newcastle-upon-Tyne Castle, Chapel of, 85 Forebuilding of, 79 Keep of, 89 Newquay, 7 Newton Castle, Montgomeryshire, 53 Nineveh marbles, 41 Norham Castle, 105 Norwich Castle, 134 Nottingham Castle, 87 Keep of, 88 Nottinghamshire, Castles in, 56 Odin's Hold, Berwickshire, 175 Odo, Bishop of Bayeux, 46, 97, 143 Oillets, 78, 124, 166, 200 Old Castle Head, 9 Onager, 86, 196 Ongar Castle, Essex, 52, 53 _Oppidum_ of Cassivelaunus, 33 Orford Castle, Suffolk, 109 Oubliettes, 78 Oxford Castle, Keep of, 89 Parapet, location of, 4 Peel Towers, 180 Pelham, Lady Jane, 46 Sir John, 46 Pembroke Castle, 132, 153 Keep of, 106 Penhow Castle, Monmouthshire, 93 Penshurst Place, description of, 169 Percy, Earl, 70 Sir Henry de, 69 Sir Thomas, 159 Perrier, 196 Petardier, 200 Petrary, 81, 86, 196 Pevensey Castle, 45, 131 inner Castle of, 47 Pharos at Dover, 80 Pickering Castle, Keep of, 88 "Pit," or Prison, 178 Pitt Rivers, General, 25, 29 Plantagenet, Hamelin, 109 Plateau forts, 6, 11, 13 Pleshey Castle, Essex, 52 Pontefract Castle, 109, 154 Lacy, Ilbert de, 57 Porchester Castle, 37 Portland, 9 Primitive weapons, 1 Projectiles, men as, 195 millstones as, 195 Promontory forts, 6 Protected village sites, 6 Pulteneye, Sir John de, 169 Quatford Castle, 87 Quia Emptores, Statute of, 149 Raglan Castle, 141 description of, 163 Keep of, 164 Ram, 81, 197 Ravelin, or barbican, 67 Ravensburgh Castle, Hexton, 25 Rectangular Keep, 76 Chapel of, 85 Forebuilding of, 78 construction of, 77 Crypt of, 85 impregnability of, 87 internal arrangements of, 83 introduction of, 76 Ramparts of, 84 Reculvers, Isle of Thanet, 36 Redvers, Baldwin de, 139 Richard de, 74 Regalia Scottish, 186 Richard's Castle, Herefordshire, 48, 59 Richborough Castle, Sandwich, 36 Richmond Castle, Barbican of, 100 Chapel of, 99 Crypt of, 99 description of, 99 Keep of, 99 Ring Hill, Essex, 31 Roche Castle, 133 Rochester Castle, 134 description of, 96 Keep of, 89, 97, 98 siege of, 87, 97 Roman fortification, 37 Romano-British Period, 33 Roman wall, Tower of London, 134 Roxburgh Castle, 183 Royal Castles in Kent, 96 St. Burian, 8 St. David's Head, 8 St. John's Chapel, Tower of London, 136 St. Leger, Sir Anthony, 144 Sakers, 152 Saxon burh, 38, 39 MSS., 41 Period, 38 Say, de, family of, 172 _Segontium_ (Carnarvon), 36 Serpentines, 152 Seymour, Charles, Duke of Somerset, 70 family of, 159 Scales, Lord, 74 Scarborough Castle, siege of, 154 Scorpion, 196