NO. 12 



LMITHSOXIAN EXPLORATION?. IQI/ 



69 





Fig. 71. — The remains of a grinding bin in a " pre-Haw ikuh luiu^c. 

 Photograph by E. F. Coffin. 



^^^f^%^^ 



Fitj. /J. — A curiou.-> .structure at llic b«.ltuin ui' ihc rcl'usc, about 15 Icct 

 deep. The box-hke enclosure, wliidi was once roofed, was i)roltal)ly used 

 for confiiiinn rattlesnakes. Pli<)toKra|)li by I'.. F'. ("iffin. 



