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AMERICA THE OLD WORLD. 
iiig against them. In the Silurian epoch follow- 
ing the Azoic we have the first beach on which 
any life stirred; it extended along the base of 
the Azoic beds, widening by its extensive de- 
posits the narrow strip of land already upheaved. 
I propose in my next article to invite my readers 
to a stroll with me along that beach. 
