Proceedings Am. Philos. Soc. Vol. LV. 



Plate XIII 



Fig. I. Dry salt marsh pool back of Atlantic City, New Jersey, showing 

 mud cracked with sun cracks, June 23, 1914. 



Fig. 2. Denuded area in salt marsh at Atlantic City, New Jersey, re- 

 invaded hy samphire, Salicoriiia ciiropaca, June 23, KjM. 



