128 



COLUMBIAN HISTORICAL EXPOSITION AT MADRID. 



size, from 1,710 grams, down to u single gram, and of gold vases 13^ inches high 

 and 9i wide down to the smallest. The gold objects buried with the Cacique 

 Yamba weighed 30 kilos. Four hundred and fifty-two gold objects from Colom 

 bia were displayed by that Government at the Madrid Exposition ; 41 specimens 

 from Colombia; and 1 from Peru, exhibited by the U. S. National Museum. 



54 



Fig. 50. 



DIGGING IMPLEMENT. 



Black argillitic stones similar to that showiij covered with representations in bas- 

 relief of human, animal, and other subjects, are found in that country and have 

 been claimed as amulets and as calendars of the ancient time system. (Century 

 Magazine, October, 1891, pp. 885-889.) They were sometimes certainly, and 

 probably always, used for hammering the gold in repousse^ to represent the 

 desired object. One specimen. 



54 a 



Fig. 51. 

 DIGGING IMPLEMENT. 



Quartzite, Illinois. 



MODELS OF PREHISTORIC RUINS IX THE UNITED STATES. 



Great Etowah Mound, Georgia. This mound stands upon the north bank of Etowah 

 Creek, near Cartersville. Its base covers a space of about 3 acres, and stands 

 at a level of 23 feet above low water in the river. The body of the mound 

 has an irregular form and is longest on the meridian, its diameter in that 



