22 



THE DAWN OF LIFE. 



FIG. 5. Attitude of Limestone at St. Pierre. 



(a.) Gneiss band in the Limestone, (b.) Limestone with Eozoon. (c.) Diorite 

 and Gneiss. 



FIG. 6. Gneiss and Limestone at St. Pierre, 

 (a ) Limestone, (b ) Gneiss and Diorite. 



