LISTE DES SOCIÉTÉS CORRESPONDANTES 



Minneapolis . Minesota Academy of Natural Sciences. 



Ncw-Havcn . Connecticut Academy of Art and Sciences. 



Sacramcnto . California State Minning Bureau. 



Des Moines. . Iowa Geological Survey. 



(Iotua) 



Rolla Missouri Bureau of Geology and Mines. 



(Missouri) 



Chicago. . . . Academy of Science. 



BRÉSIL 



Rio de- Janeiro Museo Nacional. 



COSTA-RICA 



San-Josè. . . . Museo Nacional. 



» .... Institut Physico Geographico Nacional. 



URUGUAY 



Montevideo. . Museo Nacional. 



PÉROU 



Lima Cuerpo de Inginieros de Minas del Pcru. 



