— BB 9 — 
New-York. American Institute of mining Engineers. 
— American Muséum of natural History. 
— Min ing Magazine. 
— State Muséum of natural liistory. University of tlie 
State of New-York. 
Philadelphie. American philosophical Society. 
— American institute of Mining. 
— Franklin Institute. 
Rochester. Academy of Sciences. 
Rolla. Bureau of geology and mines of the State of Missouri. 
Saint-Louis. Academy of Sciences. 
San-Francisco. California Academy of Sciences. 
Topeka. Kansas Academy of Sciences. 
Washington. Geological Survey of tlie Terri tories. Department of 
geology. 
— Smithsonian Institution. 
Mexique. 
Mexico. Comision geologica. Instituto geologico. 
Sociedad eientifica « Antonio Alzate ». 
PÉROU. 
Lima. Boletin del Cuerpo de ingenieros de minas del Peru. 
République Argentine. 
Buenos-Ayres. Academia nacional de ciencias exactas de Cordoba. 
— Museo publico. 
La Plata. Rivista del Museo. 
Uruguay. 
Montevideo. Museo nacional de Montevideo. 
Asie 
Empire britannique de l’Inde. 
Calcutta. Asiatic society of Bengal. 
— Geological survey of India. 
