!! 



H 



fit- 



^ 



ii '■'' 



, If! 



!■ Ii! 



88 



kELlCS OF PRIMEVAL LIFE 



way ; and when we interroc^ate the old limestones 



Fig. 19. — Distribution of Grcnviile Limestone in the district north of 

 Papineativille, with section showing supposed arrangement of the beds. 



Scale of Map 7 miles to one inch. See also Dr. Bonney's paper, 

 Geol. Mag., July, 1895. 



Dotted area'. Limestone. Horizontal lines : V^i^tr gneiss (fourth gneiss of 

 Logan). Vertical lines: Lower gneiss (tliird gneiss of I.ogan). Diagonal lines'. 

 Overlying Cambrian and Cambro-Silurian (Ordovician), \i)ee also Fig. 19A.) 



and marbles which form parts of the land, they 



