338 



BUREAU OP AMERICAN ETHNOLOGY 



[bdll. 60 



writer's companion, JSIr. Edward H. Thompson, encountered traces of 

 more extended work where the grreat blocks had been cut out of the face 





»■ 





Fig. 197. Partially dressed blocks of s'.ono iu an ancient quarry at Mitla, Mexico. 



of the living rock, to be transported, no one knows how, and built into 

 the temples and tombs of Mitla. The time and labor involved in 



Fig. 19S. Uude stone-cutting (cruniblint; ) implements found on a quarry site at Mitla, 



Me.xico. 



this initial phase of the stone-using ai'ts can hardly be justly esti- 

 mated by those who know only the methods of civilization. Figure 



