

PREFACE TO THE FIRST EDITION. 



TN this Work I present to the public some essays 

 on Pre-historic Archaeology, part of which have 

 appeared in the Natural History Beview, viz. that 

 on 



The Danish Shell- mounds, in October, 1861. 



The Swiss Lake-dwellings, in January, 1862. 



The Flint Implements of the Drift, in July, 1862. 



North American Archaeology, in January, 1863. 



Cave-men, in July, 1864. 



Messrs. "Williams and Norgate suggested to me to 

 republish these articles in a separate form ; and I was 

 further encouraged to do so by the fact that most of 

 them had re-appeared, either in France or America. 

 The conductors of the Annales des Sciences Naturelles 

 did me the honour to translate those on the Danish 

 Shell -mounds and the Swiss Lake - dwellings. The 

 latter also appeared in Silliman's Journal ; and the 

 article on American Archaeology, with the exception of 



