Dec. 6, 1888] 



NATURE 



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Fig. I. — View of the hills on the south side of the head of Loch na Keal, showing the junction of the granophyre and the bedded basalts. One bird, the 

 bedded basalts of the Gribon plateau ; two birds, the bedded doleritei and basalts of Beinn a' Chraig adhering to the northern slope and capping 

 the hill ; three birds, summit of Ben More, with A'Chioch to the left and the top of Beinn Fhada appearing in the middle distance bstwien them; 

 four birds, the granophyre slopes of Beinn a" Chraig with the great dyke-like mass of felsite on the left. 



F!G. 2. — Basic veins traversing Secondary Limestone and Sandstone on the c^ast cliffs, Ardnamurchan. 



Fig. 3.— Outline of the hills of the Island of Rum, sketched from near th<jlsle of Eigg. 



