PLATE XIX 

A. Looking Northwestward over Marsh, from 1,150 East on Causeway. The 
Symbols indicating Vegetation are those given on pp. 153-156. 

B. Contact of Scirpus americanus and Spartina patens, near 400 South x 1,000 
East. Boardwalk on extreme left. Photo by P. M. Collins, 1909. 
