SALTON SEA 



PLATE 23 



A. Emersion of 1910, Mecca Beach, October 1912. Large hemispherical clumps of Alriplex lenliformis and Irees of Popu- 



lus macdougalii. Dead Prosopis in distance. 



B. Emersion of 1911, Mecca Beach, showing conchoidal mud-fractures slightly weathered. Dead Prosopis with Nests of 



Water Birds used only while the Trees were surrounded by Water. Scattered plants include Atriplex lenliformis, 

 Isocoma, Heliotropium, Spirostachys, and Pluchea carophorata. 



