THE DAWN OF LIFE 



113 



with the exception of my friend, Professor Ramsay." In 1863 

 the general Report of the Geological Survey, summing up its 



Fig. 5. — Weathered Specimen of Eozoon from the Calumet. 

 (Coilected by Mr. McMullen.) 



Fig. 6. — Cross Section of the Specimen represented in Fig. 8. The 

 dark parts are the laminae of calcareous matter converging to the outer 

 surface. 



