86 THE GEOLOGICAL EVIDENCES 



been reported, but I am not aware that in any 

 case these remains can be proved to be older 

 than the remains found in different parts of 

 Europe ; indeed, in most cases they appear to 

 be much younger. The implements from the 

 " Trenton " gravels of the Delaware, if actually 

 belonging there, would seem to indicate an 

 antiquity dating from the glacial epoch, and 

 probably nothing beyond this can be definitely 

 located. The famous Calaveras skull, from the 

 auriferous gravels of California, is still too much 

 involved in obscurity to permit of its being 

 used in ^ positive evidence; nor can much 

 dependence be placed upon the calculations 

 which have been made to determine the age of 

 the man of Florida, which was discovered by 

 Pourtales upwards of thirty years ago. I have 

 the pleasure to lay before you this evening two 

 human vertebrae, which I obtained two winters 

 ago from a semi-compact ferruginous sandstone 

 on Sarasota Bay (west coast of Florida), and 

 which our distinguished President, Prof. Joseph 



