Arabesque pattern, 235 n. _Archæologia_, VIII., 41 n. Ardakillen, crannog of, 59, 60, 62, 90, 105, 118, 135, 137, 142, 154, 233, 236-39. Ardbrin, crannog of, 126, 177. Ardbrin, crannog of, trumpet from, 126. Ardmach: _see_ Armagh. Ardmore, crannog at, 29, 216-17. Ardnahue, kitchen midden at, 74. Argyleshire, crannogs in, 32, 89. Armagh, county, crannogs in, 178. Armagh, crannog near, 147. Armagh, crannog near, attack on, 147-8. Armillæ, 204 n. Armour, 69, 72, 177, 196 n., 209 n. Arran, Isles of, 36. Arrow-heads, bone, 80, 237 n. Arrow-heads, bronze, 196 n., 205 n., 242. Arrow-heads, iron, 144, 179, 186, 235 n. Arrow-heads, stone, 40, 45, 225 n., 227 n. Arrow-heads, wooden, 200. Arterial Drainage Commission, crannogs discovered by the, 77, 179, 193, 205, 207, 218, 233, 240. Articles, miscellaneous, 163, 185 n., 204 n., 206 n. Ash island, 227. Ash spear-shafts, 174. Ashes, 42, 43, 194, 196, 198, 214, 222, 223, 225, 226, 227 n., 228, 236. Attacks on crannogs, 36, 88 n., 147, 148-9, 150, 151, 152, 153, 154, 155, 156, 157, 229, 244. Aughamore, crannog of, 206. Auglish, crannog of, 187. Austria, lake dwellings in, resemble Irish, 11, 12-13. Auvernier, 89. Axe-heads, bone, 45, 59, 60, 191. Axe-heads, bronze, 202 n. Axe-heads, iron, 141, 144, 164, 168 n., 199 n., 204 n., 206 n., 209, 210 n., 227 n., 233, 235 n. Axe-heads, stone, 59, 167, 192. Axis, stone, 142. Ayrshire, crannogs in, 32, 104. Aztecs, pile dwellings of the, 19. Baccinums, 204. Baiæ, bay of, 217. Baile-an-locha, crannog of, 152. Baked clay pot-cover, 94. Balhu, ogham name of, 134-5. Ballaghmore, crannog of, 186. Ballinacarriga, crannog of, 136, 206. Ballinafad, crannog of, 34, 229. Ballinahinch, crannog of, 28, 34, 229. Ballinakill, parish of, 221. Ballinamallard, crannog near, 81, 87. Ballinderry, crannog of, 59, 60, 62, 63, 65, 75, 108, 109, 114, 133, 139, 142, 146, 207. Ballinderry crannog, unique pins from, 106-8, 109, 110, 111. Ballindoon, crannogs near, 245-6. Ballinlough, crannogs in, 32, 73, 150, 221-4, 234. Ballintlea, glass beads from, 124. Ballintoy, crannog in, 153. Ballintoy, sand-hills of, 177. Ballyalbanagh, wooden roadway in, 44. Ballybetagh, 6. Ballybollen, crannog near, 167. Ballydoolough, crannog of, 37, 92, 95, 96, 132, 133, 181, 183, 188, 190. Ballydoolough crannog, pottery at, 89, 95, 96, 97. Ballydoolough crannog, pottery resembling a sepulchral urn, 102. Ballydoolough crannog, wooden vessels from, 102. Ballygawley, crannog of, 246-8. Ballyhoe Lake, crannogs in, 193, 195, 207. Ballykeine Bog, 102. Ballykillen Bog, 45, 60. Ballykinler, crannog of, 177-178. Ballylough, crannog of, 152.