

If you wish to add to your Collection of Miner- 

 als, choice and characteristic specimens, it might 

 be well to address the undersigned, stating your re- 

 quirements, he having recently returned from an 

 extended trip through the Southwest and Mexico, 

 with numerous and interesting additions to his stock. 



WILLIAM NIVEN, 



Wholesale and Retail Dealer in American and Foreign Minerals, 



739-41 BROADWAY, NEW YORK, U. S. A. 



