And the “ Great Carolina Marl Bed.” 15 
sand and blue clay, containing casts of shells beauti- 
fully preserved; and also great numbers of fossil, 
sharks’ teeth and cetacean bones; it was called, in 
1839, the Fish BED OF THE CHARLESTON Basin. 
From the “ proceedings” of the American Associa- 
tion for the Advancement of Science, at a meeting held 
at Charleston, March, 1850, we make the following 
extracts.* 
“ Of the remains of marine vertebrata, it has been 
pronounced by Professor Agassiz to be the greatest 
cemetery he every saw. I have myself collected from 
it many thousand specimens of the teeth of Squalidz, 
(sharks,) and am confident thirty thousand of such 
specimens have been taken from it within the last six 
years. Prior to the visit of Professor Agassiz a few 
specimens only of the remains of QuUADRUPEDs had 
been found upon the Ashley. This was owing to the 
fact that collectors of these fossils were searching in 
the Mart and not in the overlying beds. These 
fossils (land quadrupeds) were at first supposed to 
belong to the Marl, (like the fish teeth,) but subse- 
quent investigations show that they do not, and I will 
now proceed to point out their true position in the 
sequence. Between the Post-Pleiocene and the Marl 
we have two or three strata, containing fossils, which 
make them exceedingly interesting to the geologist, 
and which are not found in the Eocene Marl Bed 
below. 
“The first of these is a thin, irregular stratum of 
loose gravelly sand, which lies immediately upon the 
Observations on the Geology of Ashley River, by F. S. Holmes. 
