Chautauqua Grai»e Belt. 



143 



Therefore on the shore of the present lake we have a terrace 

 plain of a nearly uniform level, and the terrace slope (Figs. 58, 59 

 and 61), the whole being composed of well rounded and water-worn 



64.— Pebbles of the modern beach at Barcelona. 



gravel and sand (Figs. 58 and 61:). We also find numerous wave- 

 cut cliffs either in the clay (Fig. 61) or in the rock (Fig. 48) ; and 

 opposite the mouths of the streams there are often formed bars (Fig. 



w 



■}:^-^ f^"m 





:«• 



mi 





^"M-^ 



^%\ 



■y/. 







65 — Section through a bar. Midway between Sheridan and Fredonia. Seach to be seen 

 in the background in ihe gap cut thruugh the bar. 



60) which are welded at their base to the beach, and stretch more 

 or less completely across the stream mouth. Sometimes there ai*e 



