BITTER LAKES AND KARABUGAS GULF 353 



amount of evaporation since that time was sufficient to lower the 

 surface of the Bitter Lakes appreciably below that of the Red Sea 





Jala^IscheTTt. 



Fig. 68. Map of the Karabugas Gulf. (After von Seidlitz, Globus, 1899.) 



(high water), two thousand million cubic meters of water being 

 nejcssary to raise the surface to the level of the canal. (Ochsenius- 

 38:164.) . 



