Jan., 1916] 



Evaporation and Plant Zones 



93 



The Dianthera Zone — This comprises the western and south- 

 western edge of the bar, as indicated on the map. Fig. 3, and is 

 consequently more or less exposed to the prevalent winds. The 



Lake 



LA6T 



^AHDUmr 



Bay 



:'.': Sand 



water depth here ranges around six inches (1.5 decimetres), 

 with a bottom that is sandy, well washed, and that has a very 

 slight admixture of dark organic material indeed. The domi- 



