272 



BUREAU OF AMERICAN ETnNOLOGY 



[bull. 60 



is iiiailf ir. tlic sdlid roi ks. and Irns of thousauils of tons of rock liaw bi'eu 

 brola'ii out. Tliis is not the only openin.:;- ; llu're are several pits in tlie vicinity 

 more limited in extent, some of them ln'in.i; apparently much more recent.^ 



Silliman speaks of finding in these niines- 



Xuinerous stone hammers, som(> to he held in the hand and others swuni; as 

 .sk'(l.ues, fashioned with we(l.t;'e-shaped e<l,ucs and a L;ro(.ive for a handle. A ham- 

 mer weiyhiny over twenty pounds was ftmnd while I was at the Cerrillos, to 



Mdiiel" th(> \Aithe was still attache.!, with its oaic handh^ — the same scrub-o.ak 

 whicli is found .urowins ahundanlly on the hillsides — now (piite well preserved 

 after at least two centuries of entomhnieut in this perfectly dry rock. The 

 stone used i'or these hanimers is the hard a;ul tou:j;h liornlilende andesite, or 

 propylite, which forms the (\ti-o d'<.)r(i an<l other ('errillos Hills. With these 



^ Ulalie, Thf ChiilL-liiljuitl of tbo AuciciU Mrxlcaiis, p. 227. 



