22 GLAUCTJS; OR, 



up shoreless into the sky, seven hundred feet per- 

 pendicular ; the deepest water of all we know is at 

 its very foot. Eight and left, two shoulders of 

 down slope into the lake. Now turn round and 

 look down the gorge. Eemark that this pebble bank 

 on which we stand reaches some fifty yards down- 

 ward : you see the loose stones peeping out every- 

 where. We may fairly suppose that we stand on 

 a dam of loose stones, a hundred feet deep. 



But why loose stones? — and if so, what matter? 

 and what wonder? There are rocks cropping out 

 everywhere down the hill-side. 



Because if you mil take up one of these stones 

 and crack it across, you will see that it is not of 

 the same stuff as those said rocks. Step into the 

 next field and see. That rock is the common 

 Snowdon slate, which we see everywhere. The two 

 shoulders of down, right and left, are slate too ; 

 you can see that at a glance. But the stones of 

 the pebble bank are a close-grained, yellow-spotted 

 rock. They are Syenite ; and (you may believe 

 me or not, as you will) they were once upon a 



