Itys

ITYS in Britain, mentioned by Ptolemy (Ptol. 2.3.1) as a river lying north of the Epidian promontory ( Mull of Cantyre), with the river Longus between. As this latter== Loch Linnhe, the Itysis probably the Sound of Sleat, between the Isle of Skyeand the mainland. In the Monumenta Britannica we have Loch Torridon, Loch Dutch, Loch Eu.
[R.G.L]