FLORIDA, AND LOUISIANA. 403 



intermingled and dispersed throughout it. These are 

 petrified and as hard as flint." These are wrought into 

 millstones, and are considered as a good substitute for 

 French burhs. 



In a spring near the high shoals of Apalachy, are found 

 many echenites of a flat form, rather larger than a Spa- 

 nish dollar. On the upper side are five radial bars of 

 four rays each. The upper side is rather convex, and 

 the lower, concave. They are converted to flint, and 

 are a species of the scutella family. 



Florida. 



Ellicot's Journal of the occurrences during the expe- 

 dition for determining the boundary of the United States 

 and his most Catholic Majesty, between the years 1796 

 and 1800, contains valuable information on the fossils of 

 the Apalachy, Chatahouche, and Flint Rivers. Vast strata 

 of limestone abound. It seems to be the prevailing basis 

 of the soil, and almost the sole ingredient of the rocks, 

 islands, and keys quite round Cape Florida. It is com- 

 posed in many places of broken shells, and filled with 

 petrifactions. 



Louisiana. 



The following extract of a Letter received from William Darby, 

 Esq. author of the valuable Map and Description of Loui- 

 siana) contains the information collected by that intelligent 

 gentleman of a Fossil Elephant found on the right bank of 

 the lower Mississippi. 



In the month of October, 1804, I first visited the 

 southwest part of the now state of Louisiana, Ope- 



