HRDLlCKi] 



DISCOVERIES ATTRIBUTED TO EARLY MAN 



25 



queutly preserved. The chief lo- 

 cality for vertebrut^^ and plant 

 fossils, liowever, is at tlie public 

 road crossing oue-lialf mile north 

 of Vero. \\here 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 oOO and 

 600 feet l)eyond, or for a total 

 distance of about 1,000 feet. 

 [Sketch map, fig. 1.] 



[Pp. 123-120] 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 " Coquina " rock, and 

 extending south to the Ever- 

 glades of Florida, beyond whicli 

 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 

 ovei-lie the shell marls are in ])art 

 of marine origin, having accu- 

 mulated in shoal waters or as 

 beaches and dimes 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 nuick 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 liy Dr. 

 Selhirds as stratum Xo. 1, 

 the superimposed " sand and 





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