In different parts of the lake two single-tree canoes were found embedded in the mud, both of which are now preserved in the Belfast Museum. One is a plain trough of a rectangular shape with slightly sloping sides, measuring 12½ feet long, 2½ wide and 9 inches deep (No. 3). Its flat base is perforated with six circular holes ¾ inch in diameter. The other is pointed at both ends, and altogether much more artistic in its structure. It was originally about 13 feet long and 3½ feet wide, but the fore-part is considerably damaged. The stern portion is here figured (No. 4). It had two seats formed of neat planks of oak, seven inches broad, and supported on projecting ledges on each side cut out of the solid, as shown in the section No. 6. The seats (No. 5) were kept in position by two wooden pins at each end which penetrated into the solid supports. For the oars there were also two arrangements on each side consisting of perforated projections left out of the solid as shown on the margin of the portion here sketched. But the most remarkable feature of this canoe consists of four prominences with abrupt edges (also left in the solid) for the feet of the rowers, as seen in the illustration. The distances from the centre of the seats to their corresponding foot marks were 33 and 34 inches respectively. LIST OF IRISH CRANNOGS ALPHABETICALLY ARRANGED, WITH NOTES AND REFERENCES. Aconnick Lough, co. Cavan. B. 13, Ap. p. 43. Acrussel Lough, co. Fermanagh. B. 444, p. 187. Allen Lough, co. Leitrim. B. 9, p. 45. [75]Aghakilconnel Lough, co. Leitrim. B. 13, Ap. p. 43. Aghnamullen ("Glebe Island"), co. Monaghan. B. 93b, p. 229. [76]Annagh Lough, two crannogs, between King and Queen's County. B. 149, p. 154. Annagh, parish of Kilbarron, co. Tipperary. B. 444, p. 212. Ardakillen, four crannogs. B. 13, p. 208, and Ap. p. 48; B. 18, p. 230. [77]Ardmore Bay, submarine crannog, co. Waterford. B. 329, p. 61, and B. 330, p. 154. Arrow Lough, co. Sligo, several stone islands near the Abbey of Ballindoon. B. 444, p. 245. Aughlish, about five miles from Enniskillen, co. Fermanagh. B. 217, pp. 323. Ballaghmore, co. Fermanagh. B. 217, p. 322. Ballinafad, co. Galway. B. 214, p. 12. [78]Ballinahinch, co. Galway. B. 214, p. 12. Ballinderry, near Moate, co. Westmeath. B. 391, p. 196. Ballinlough, four crannogs, co. Galway. B. 70a. Ballydoolough, five miles from Enniskillen, co. Fermanagh. B. 191, pp. 360 and 569, and B. 217, p. 314. Ballygawley Lake, co. Sligo. B. 444, p. 246. [79]Ballyhoe Lough, two crannogs, near Carrickmacross, co. Monaghan. B. 13, p. 417, and B. 135, p. 8. Ballykinler, co. Down. B. 29, p. 86. Ballylough Baile-an-Locha. "Annals of the Four Masters," B. 27, p. 193, and B. 438, p. 168. Ballywoolen, co. Down. B. 29, p. 86. Bohermeen, co. Meath. B. 444, p.