INTRODUCTORY EXPLANATIONS. 



15 



-55 



59 



"0 



A^ 



V.^ 



bV"' 



N. High- ,y 

 lands. / 



/ ■ I* 



57 '-^?' Highlands. 



^"A 



East. 



53 



51 



/ Lakes. \ \ 



/ I - • ■ ^ \ Humber. \ 



59- 



57- 



^V^ 



