494 



GENERAL BIOLOGY 



We can not go into the fascinating story that is written 

 in the remains of later date; the sHght changes of his 

 skeleton, and increase of cranial capacity ; the improvement 

 and diversification of his tools of flint and wood and bone 

 during the Age of Stone (when the use of metals was as yet 

 unknown) ; the development of implements, and of articles 

 for personal adornment, and the beginnings of art; the vast 

 changes in his material equipment during the succeeding 

 ages of bronze and of iron. No written account of these 

 records of human progress can be equal in value to a thought- 

 ful visit to any good museum of antiquities, in which the 

 archaeological exhibits are arranged in evolutionary se- 

 quence. The cruder materials with which archaeology 

 deals, although much neglected in the past, have come to be 

 appreciated as among the rarest of human treasures. 



Ethnology. — As amoebas continue to exist on the earth 

 along with men, so savagery and all intermediate conditions 

 persist, along with the most modern types of civilization. 

 And as the primitive forms of life are restricted to the places 

 that are left unoccupied by the dominant types, so the more 



Fig. 275. Man. 



