20 GLAUCUS ; OR, 



right and left, are slate too ; you can see that 

 at a glance. But tlie 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 time 

 in the condition of hasty-pudding heated to some 

 800 degrees of Fahrenheit, and in that condition 

 shoved their way up somewhere or other through 

 these slates. But where ? whence on earth did 

 these Syenite pebbles come ? Let us walk round 

 to the cliff on the opposite side, and see. It is 

 worth while ; for even if my guess be wrong, 

 there is good spinning with a brass minnow round 

 the angles of the rocks. 



Now see. Between the cliff-foot and the slop- 

 ing down is a crack, ending in a gully; the nearer 

 side is of slate, and the further side, the cliff 

 itself, is — why, the whole cliff is composed of 

 the very same stone as the pebble ridge ! 



Now, my good friend, how did those pebbles 

 get three hundred yards across the lake ? Hun- 

 dreds of tons, some of them three feet lone : 

 who carried them across ? The old Cymry were 

 not likely to amuse themselves by making such 

 a breakwater up here in No-man's-land, two 

 thousand feet above the sea: but somebody, or 



