149. Abbey of Mont St. Michel. General View 248 150. Abbey of Mont St. Michel. Plan at the level of the entrance 249 151. Abbey of Mont St. Michel. Plan at the level of the lower church 250 152. Abbey of Mont St. Michel. Plan at the level of the upper church 252 153. Abbey of Mont St. Michel. Section from north to south 253 154. Abbey of Mont St. Michel. Section from west to east 254 155. Abbey of Mont St. Michel. Crypt known as the _Galerie de l'Aquilon_ 256 156. Abbey of Mont St. Michel. North front 257 157. Abbey of Mont St. Michel. The almonry 258 158. Abbey of Mont St. Michel. A tympanum of the cloisters 259 159. Abbey of Mont St. Michel. The cellar 260 160. Abbey of Mont St. Michel. Refectory 262 161. Abbey of Mont St. Michel. Hall of the knights 263 162. St. Michael's Mount, Cornwall 264 163. Abbey of Mont St. Michel. Gate-house 270 164. City of Carcassonne. South-east ramparts 273 165. City of Carcassonne. North-west ramparts 274 166. Fortress of Kalaat-el-Hosn. Section 277 166_a_. Fortress of Kalaat-el-Hosn. General view 278 167. City of Carcassonne. Plan of the thirteenth century 279 168. City of Carcassonne. Ramparts, south-west angle 280 169. Ramparts of Aigues-Mortes, north and south 281 170. Ramparts of Avignon. Curtain and towers 282 170_a_. Machicolations 283 171. Ramparts of St. Malo 284 172. Mont St. Michel. South front 287 173. Mont St. Michel. As restored on paper 288 174. Castle of Angers 292 175. Carcassonne. Citadel 293 176. Loches Castle. Keep 294 177. Falaise Castle. Keep 297 178. Lavardin Castle. Keep 298 179. Keep of Aigues-Mortes 299 180. Provins Castle. Keep 300 181. Castle, Chinon 302 182. Castle, Clisson. Keep 303 183. Castle. Villeneuve-les-Avignon 304