LISTE DES SOCIÉTÉS CORRESPONDANTES 



ÉTATS-UNIS 



Washington. U. S. Geological Survey. 



» Stnithsonian Institution. 



Philadelphie . American Philosophical Society. 



» Wagner free Institute of Science. 



» Académie of Natural Sciences. 



Chapel-Hill. Elisha Mitchell Scientific Society. 



(North-Carolina) 



New-Haven . Connecticut Academy of Art and Sciences. 



Des Moines. . Iowa Geological Survey. 



(Iowa) 



Rolla Missouri Bureau of Geology and Mines. 



(Missouri) 



Chicago. . . . Academy of Science. 



URUGUAY 



Montevideo.. Museo Nacional. 



PÉROU 



Lima Cuerpo de Inginieros de Minas del Peru. 



