Cuillin range. Cracks and fissures in the rock provided pathways for later magma intrusions, leading to dykes of basalt which are commonly seen across Skye. The Red Cuillin also have volcanic origins, being formed from a later intrusion of acidic, granitic rock. This granite was more uniformly eroded by wind and water than the gabbro and basalt, causing the red hills to have smoother outlines. The Cuillin provide classic examples of glacial topography and were the subject of an early published account by James Forbes in 1846 (who had become a fellow of the Royal Society of Edinburgh aged only nineteen).
Scottish island names now extinct Cumbric language. These are collectively known as the Brythonic languages. It is clear that whenever place names are recorded at an early date as having been transposed from a form of P-Celtic into Gaelic that this occurred prior to the transformation from "Old British" into modern Welsh. There are numerous Scottish place names with Brythonic roots although the number of island names involved is relatively small. The Pictish language offers considerable difficulties. It is a term used for the language(s) thought to have been spoken by the Picts, the people of northern and central Scotland in the Early