

Fig, 2. 

 DiagraixLof "Roclr PoTmations 

 on. IT or tin Sliore of Lake Superior. 



Lex^eZ ofLaJre^ S*aperio-jr 



Fia.3. 



Step-like outline of Thunder Cape, 

 as seen from the Soutfi East. 



KJ.C. 

 JimeymP. 



Chfwetti Co. lifli. Toronto. 



