154 STUDIES OF NATURE 



turned to the sky, and veering round like a 

 weathercock. ' Shrewd old Scot ' ; one need 

 not give you the well-worn advice of Esquire 

 Biglow's gran'ther 



Don't never prophesy, onless ye know. 



A single glance at the Ordnance Survey of 

 Arran will show why a scramble along the 

 ridges should be especially interesting. The 

 great mountains are all in the northern half of 

 the island. South of Brodick Bay, the coast is 

 fine enough ; although the inland hills are com- 

 paratively low, the highest being not more than 

 about 1,600 feet, and many of them only 800 

 or 900 feet ; but in the region which lies north 

 of a line running from Brodick on the east 

 coast to Mauchrie on the west, you find all 

 the loftiest, grandest, and most rugged peaks. 

 Bryce, in his ' Geology of Arran,' divides these 

 peaks into three groups. Let us look at them 

 on the map. First there is the Ben Bharrain 



