372 



H. C. COOKE 



These are not included on the accompanying map; the bodies 

 mapped are confined to those highly garnetiferous types, with or 

 without Hmestone, which are pecuHarly characteristic of the 



Fig. 13. — Map to illustrate the distribution of the limestone member of the 

 Grenville series. Limestone is absent on the Hudson Bay side of the heavy black line 

 and present on the southeast side. 



Grenville. The areas shown on the map (Fig. 13) are those in 

 which the amount of the Grenville series present is so large and its 



