LUBBOCK S REPLY TO IT. 139 



J. Lubbock replies by defying his opponent 

 to show that it has not been done and done 

 often. He urges, and urges as it seems to 

 me with truth, that the great difficulty of 

 teaching many savages the arts of civilized 

 life, is no proof whatever that the various 

 degrees of advance towards the knowledge 

 of those arts which are actually found among 

 semi-barbarous nations, may not have been 

 of strictly indigenous growth. Thus it 

 appears that one tribe of Red Indians, 

 called " Mandans, " practised the art of 

 fortifying their towns. Surrounding tribes, 

 although they saw the advantages derived 

 from this art, yet never practised it, and 

 never learned it. Whately, fixing his eyes 

 on the ruder tribes, says, **See how clear it 



