20 IN LOWER FLORIDA WILDS 



stump in gray marl on the southwest coast cov- 

 ered by water at high tide. He believes, as I do, 

 that there is evidence at Cape Sable of a slight 

 recent subsidence. On the outer shore opposite 

 Lemon City the sea at one time since I have lived 

 here, encroached on the sandy shore and un- 

 covered peat of an old mangrove swamp which 

 is now submerged at low tide. Along the south 

 coast of the mainland the sea is eating into the 

 beach to such an extent that mangrove and 

 buttonwood trees are found for some distance out 

 into the bay. Finally the great area of mangrove 

 swamp which covers many thousands of acres in 

 the Ten Thousand Islands and along the south 

 and southeast coasts would seem further to indi- 

 cate that a subsidence is taking place. This need 

 not cause owners of bay front property in Lower 

 Florida any serious alarm since it is probable that 

 the mangroves and other shore vegetation are 



building up the land as rapidly as it subsides. 



N. 



Beginning at the southeastern shore of Vir- 

 ginia, thence extending into Bade County, Florida, 

 again appearing in I^ee County, on the southwest 

 coast of our State and then continuing with 



