ANNIVERSARY ADDRESS OF THE PRESIDENT. 



Ixi 



Fig. 2. — Section of the junction of 

 the Gneiss and Limestone at the 

 foot of Mont Blanc. 



Fig. 3. — Perspective diagram of an excavation made hy Mr. Ruskin 

 through the Limestones and Shales underlying the Gtieiss, 



fj. Gneiss, very rotten at the plane of contaet. s. Stratified beds of yellow and 

 brown limestones, associated with beds of clay, more or less slaty and micaceous. 



