PSYCHOZOIC ERA. AGE OF MAN. 



413 



premacy. The Psychozoic era and age of man, there- 

 fore, rightly commence here, and all that follows may 

 be claimed by archaeology and history. Nevertheless, 

 we shall give a very brief sketch of further progress. 



Transition to the Bronze Age. 



Lake-Dwellers. In 1850 the lakes of Switzerland be- 

 came very low, and a great number of wooden piles were 

 exposed. Interest being excited, the same was found to 

 be true of all the lakes of middle Europe. By dredging, 

 implements of war, of the chase, of husbandry, and orna- 

 ments and trinkets of all kinds were found in great abun- 

 dance. Some of these were polished stone, but most were 

 bronze, and often beautifully finished. Eemnants of grain 

 and fruits of several kinds were also found. From these 

 findings the houses (Fig. 359), the habits, and the mode 



FIG. 359. Lake-dwellings, restored. (After Mortillet.) 



of life of this people have been reconstructed, and even 

 a novel embodying their life has been written.* 



Thus we might continue, by means of remains alone, 

 to trace progress, through Roman graves, Roman roads 

 * " Realmar," by Arthur Helps. 



