DISCOVERIES ATTRIBUTED TO EARLY MAN 
25 
quently preserved. The chief lo 
cality for vertebrate and plant 
fossils, however, is at the public 
road crossing one-half mile north 
of Vero, where the canal cuts 
into an old stream bed. The 
canal enters the stream bed 
about 500 feet west of the cross 
ing, and follows it while passing 
under the bridge and for 500 and 
600 feet beyond, or for a total 
distance of about 1,000 feet. 
[Sketch map, fig. 1.] 
[Pp. 125-126] The marine shell 
marl into which the canal cuts, 
No. 1 of the section shown in 
text figure 2, is a part of the ex 
tensive series of marine marls 
which border the Atlantic coast, 
beginning on the north near St. 
Augustine, where the marl is 
known as &quot; Coquina &quot; rock, and 
extending . south to the Ever 
glades of Florida, beyond which 
the shell marls give place to the 
shallow-water limestones of ex 
treme southern Florida. These 
marls and limestones are known 
by their invertebrate fauna to be 
of Pleistocene age. . . . 
The sands which as a rule 
overlie the shell marls are in part 
of marine origin, having accu 
mulated in shoal waters or as 
beaches and dunes at the time 
the sea withdrew from the land, 
and are thus contemporaneous in 
age, or nearly so, with the marine 
shell marls. However, in ponds, 
streams, and lakes fresh-water 
marls, sand, and muck deposits 
accumulated which rest upon and 
hence are of somewhat later age 
than the marine marls, and it is 
in deposits of this kind chiefly, 
as would be expected, that the 
land and fresh-water fossils are 
preserved. 
The basal marine deposits 
have been designated by Dr. 
Sellards as stratum Xo. 1, 
the superimposed &quot; sand and 
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