So7ne Notes on Mount Boyal. 



.19 



the mouiitaiti included in the dotted shading is occupied 

 by the altered limestone ,♦ the trap formation being repre- 

 sented by some heavy bands of Theralite, alternated by 

 others of Syenite, of which there is also a small exposure 

 further to the south, and shown by crosses at the point 

 A outside the black line. 



On the south and west sides, where the broken lines are 

 shown, the rock is deeply covered with drift, and the line 

 is consequently drawn to connect the nearest points 

 where the formation can be seen. 



Fig. 1. 



Beginning with the sketch Fig. 1, which shows the 

 easterly side of the mountain, we have the view which is 

 the most familiar. The black line showing the limit of 

 the limestone, it will be seen, reaches well up to the top 

 of the mountain. At a point near the centre of the 

 sketch, a short distance to the east of Cote des I^eio-es 

 road, this line reaches the summit, the height being about 

 660 feet above low water in the harbor. 



From this point it runs in an easterly direction, passing 

 below the look-out, where it is about 560 feet above the 

 harbor, until it reaches the natural look-out point above 



