ICE-EROSION IN THE CUILLIN HILLS, SKYE. 



22JT- 



both sides. That the glaciation of this part of the island was strictly local, has been 

 recognised by other observers, e.g. by Professor Jas. Geikie. # The relations are 

 roughly exhibited upon the small sketch map (fig. 1), where the movement of the 

 Scottish ice in south-eastern Skye and on the neighbouring mainland is laid down from 

 information kindly communicated by my colleague Mr C. T. Clotjgh, while data con- 

 cerning the north-eastern part of the area are afforded by the published sheet 81 of 

 the Geological Map of Scotland. The south-eastern portion of the island, which includes 



Fig. 1. — Sketch map to show the relation of the Skye ice-cap to the Scottish ice-sheet. The heavy line indicates approxi- 

 mately the boundary between the native and foreign ice at the stage of maximum glaciation. The arrows give 

 the direction of movement. The rectangular area marked out is that included in the detailed map below. [The 

 latter has subsequently been extended a little farther, both eastward and westward.] 



few considerable elevations, was completely overridden by ice from the mainland of 

 Scotland ; but the ice generated upon the Cuillins and the Red Hills was always 

 powerful enough to defend its own small territory against the Scottish invasion."*" Of 

 this we have ample proof both in the direction of the glacial striae and in the absence 



* " The lofty Coolin Mountains of Skye .... formed of themselves a centre of dispersion, but the northern 

 parts of the island were overflowed by the ice that crent out from the great glens of Ross." — The Great Ice Aye, 

 p. 83 of third edition, 1894. 



t It would perhaps be more accurate to say that if, at an early stage, the Scottish ice did obtain a footing among 

 the Skye mountains, it has left absolutely no trace of its occupation ; and the episode, if it ever occurred, is not to 

 be reckoned with as a factor in the glaciation of the area as it is now to be studied. 



