CERTAIN ANTIQUITIES OF THE FLORIDA WEST-COAST. 371 



There were also a number of rude sinkers of coralline limestone and one, 

 globular in shape, of coral. 



A curious type found among the Florida keys, consisting of oblong strips of 

 shell, is represented by four specimens in the Marco collection. These objects 



Fig. 9— Discs of shell, Key Marco. (Full size.) 



might seem to be unfinished were it not that the margins are carefully worked, and 

 some show a high polish as from use. 



A neatly-made chisel, probably of argillyte, 3.4 inches in length, is polished 

 and has a circular section. On one end is a bevelled cutting edge; on the other, a 

 blunt point. 



Goodland Point, Marco Island, Lee County. 

 Goodland Point, about six miles farther down the east side of Marco Island, on 

 its southeastern extremity, has a great expanse of shell deposit which was put at 



