_Lough Scur._--This crannog is alluded to in the _Annals of Loch Cé_, under the following dates:--1345, four sons of _Cathal Mac-in-caich Mac Raghnaill_ were taken prisoners on _Loch-an-Scuir_, and put to death; 1390, O’Rorke, who had been in confinement, escaped to the castle of _Loch-an-Scuir_, but was overtaken and slain “when coming out of his cott”; 1580, _Loch-an-Scuir_ was taken, and _Maelsechlainn Mac Raghnaill_ slain. On this site was found the largest quern in the Museum, R.I.A., the nether-stone being twenty and three-quarter inches long by three and three-quarter inches thick; the aperture for the pivot one and three-quarter inches deep, the same across; it is surrounded by a raised lip to retain in position the upper stone, which is nineteen and a-half inches in diameter by two and three-quarter inches in thickness: the grain aperture is three and a-half inches wide; upon the upper surface is the mark of the cross-bar of the pivot, its upper surface left in a rude state; it has one handle-hole. The stone mould, figured _ante_, p. 72, was found here, and a model of a portion of the oak framework of the crannog--one-quarter real size--was deposited in the Museum, R.I.A. _Lough Rinn_ (_the lake of the promontory_) lies in the barony of Mohill. It is mentioned in the _Annals of Loch Cé_, under date 1345, when O’Conor, “king” of Connaught, was killed by an arrow at _Loch Airinn_ whilst assisting _Mac Raghnaill_, to whom the crannog on the lake belonged; for the sept of the Mac Rannals formerly possessed the neighbouring district, then called _Conmaicue Moyrein_. In the year 1847, the waters of Lough Rinn having being lowered, two canoes were found imbedded in the mud near an old castle at the promontory from whence the locality derives its name; there was also a chain, or manacle, composed of iron rods, looped at their ends, like one found in the Strokestown crannogs. One of these canoes was a “single-piece,” hollowed out of oak, and flat-bottomed, the length thirteen feet and the breadth nearly two feet throughout; the sides were only four inches high; but the original depth must have been greater. In front of the old castle stands an island covered with self-sown ash and thorn, and constructed with wooden piles, of slight scantling, but perfectly sound; “the paling was interlaced and pegged down in a very rude manner: the island appeared to have been formed inside of it, and raised upon a similar description of work.” A small bronze arrow and a spear-head were found two feet deep in a gravel shoal close to Rinn Castle, between Loughs Rinn and Sallagh. _St. John’s Lough_ contained four crannogs, in which three silver coins of Edward I., II., and III. were found. _Loughtown_ crannog measured one hundred and twenty feet from east to west by one hundred feet from north to south, and was surrounded by a mass of stakes upwards of fifteen feet wide, inclining in towards the centre of the island.