exhibit, which includes (1) a series of collections illus¬ 
trating aboriginal quarrying, mining, and implement-making 
industries; (2) various collections of ethnologic material 
made chiefly by collaborators of the Bureau; and (3) a 
series of life-size figures illustrating the domestic life, 
arts and industries of the aborigines. This exhibit proved 
very attractive to visitors to the Exposition. 
At intervals throughout the year I continued re¬ 
searches concerning the development of the shaping arts. 
Hitherto, American archeologists had in general been content 
to accept the classification of prehistoric peoples into 
culture stages based on the products of art work in stone, 
the classification being based on European studies. ' 
