Golden Valley, Castle at, 48 Gravitation engines, 193 Greek fire, 200 Grey, Sir Ralph, 95, 152 Guildford Castle, Chapel of, 85 Keep of, 88 Gundulf, Bishop of Rochester, 134 Gunpowder, introduction of, 147 "Gyns," 190, 193 Ham Hill, Somerset, 15 Hampton Court, Herefordshire, 172 Harlech Castle, 118, 152 Harquebuses, openings for, 158 Hastings Castle, 55 Hatton, Sir Christopher, 139 Haut, Ivo de, 170 Haverfordwest Castle, 133 Hedingham Keep, Essex, 83 Hembury Fort, Honiton, 14 Herefordshire, Castles in, 55 Hereford, Motte and Bailey Castle, 48, 49 Herstmonceaux Castle, 167, 168 description of, 164 Hertfordshire, Castles in, 56 Hever Castle, 160 Sir William de, 160 Hill forts, 173 Hilton Castle, 172 Home Castle, 176 Earls of, 181 Homestead moats, 6 developed, 6 Humfreys, Sir William, 161 Hunsbury, Northants, 30 Ifan, Davydd ap, 152 Ightham Mote, 170 Iron Age, 7, 189 Isabella, Queen of Edward II., 144 Isle of Avalon, 11 Juliets, 102 Keep, Scottish, plan of, 176 Kemyss, Sir Nicholas, 143 Kenilworth Castle, 151 siege of, 195 Kidwelly Castle, Carmarthenshire, 118, 129 Kildrummie Castle, 176 Lacy, Ilbert de, Pontefract Castle, 57 Lambert, General, 186 Lamphey Castle, 133 "Land of Castles," 131 Launceston Castle, the Keep, 105 Laxton Castle, Alselin, Geoffrey, 56 Leconfield, Lord, 160 Leeds Castle, Kent, 105, 148 Baileys of, 145 Barbicans of, 146 description of, 143 Keep of, 145 Leicestershire, Castles in, 56 Lewes Castle, 65 Lewkenor, Sir Thomas, 158 Licences to crenellate, 90 Lincoln Castle, 65 Lisle, Warine de, 159 Llandilo, Castle near, 130 Llawhaddon Castle, 133 Loch Doon Castle, 176 Loch Leven Castle, 179 Logan Stone, 8 Ludlow, family of, 172 Machicolation, 104, 116, 158, 165, 167, 181 earliest example of, 111 Maiden Castle, 14, 16, 22, 32 entrances of, 17 Malet, Robert de, Eye Castle, 56 _Malvoisin_, 94 Mam Tor, Derbyshire, 27 the shivering mountain, 27 Mangonel, 104, 196 Manorbier Castle, 9, 133 "March of the Men of Harlech," 120 Marmion, Robert le, Tamworth Castle, 56 Maxstoke Castle, 162 Medieval walls, construction of, 78 Melandra, near Glossop, 34 Menhirs, 8 Merlons, 117, 124, 165, 168 Meurtriers, 78, 116, 142 Mining, method of, 198 Missile engines of the ancients, 190 Mohun, William de, Dunster Castle, 56 Monk, General, 187 Montfort, Simon de, 46, 98 Montgomery, family of, 71 Morgan, Colonel, 142 Mortaign, Robert, Count of, Berkhampstead Castle, 56 Earl of, 46 Motte and Bailey Castle, 48 advantages of, 60 bretasche of, 50 construction of, 49 flying bridge of, 50 positions of, 58, 59 positions of mound of, 54 rapid erection of, 60 Scottish, 175 Mount and Fosse, 5 Mount (or Motte) and Bailey, 5