Plate XXXVI. (a) The Gold Work of the Ancient Mexicans excited 

 the Wonder of the Spanish Conquerors. Comparatively few examples, 

 however, have come down to us; (6) Many Ornaments of Gold are found 

 in the Graves of Costa Rica and Panama. The Keith Collection con- 

 tains a very fine series of these pieces illustrating all the forms as well as 

 the technical processes. 



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