PLATE 10 



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AREA DENUDED FOR THE PURPOSE OF MAKING EXACT OBSERVATIONS ON 

 MOVEMENTS OF DESERT PLANTS IN ITS REOCCUPATION . 



L-IAJ.i i-:.._ „.- ^.,_7-,-: ^■-- - '^ ''■'"- '/-■ ''--^- ^' - OVE SEA-LEV>^; 



MARGIN OF SEA ON MAY 22, 1906. MINOR BEACH LINES DENOTED 

 BY PLANT FORMATIONS BETWEEN. 



